Add a related keys for queries on explanation in inventory API

In inventory API queries, stock table is already selected, and we want the query parameters to be applied on this stock table, whereas default related keys would add stock table one more time

bt5/erp5_budget/SkinTemplateItem/portal_skins/erp5_budget/BudgetLine_getInventoryQueryDictForCellIndex.xml

@@ -72,7 +72,7 @@ if budget_cell is None:\n
 kw = budget_model.getInventoryQueryDict(budget_cell)\n
 \n
 if engaged_budget:\n
-  kw.setdefault(\'explanation_simulation_state\',\n
+  kw.setdefault(\'stock_explanation_simulation_state\',\n
                   portal.getPortalReservedInventoryStateList() +\n
                   portal.getPortalCurrentInventoryStateList() +\n
                   portal.getPortalTransitInventoryStateList())\n

product/ERP5/Document/BudgetLine.py

@@ -77,7 +77,7 @@ class BudgetLine(Predicate, XMLMatrix, VariatedMixin):
     """Returns all the engagements in a dict where the keys are the cells, and
     the value is the engaged budget.
     """
-    kw.setdefault('explanation_simulation_state',
+    kw.setdefault('stock_explanation_simulation_state',
                   self.getPortalReservedInventoryStateList() +
                   self.getPortalCurrentInventoryStateList() +
                   self.getPortalTransitInventoryStateList())

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/z_related_explanation_from_stock.catalog_keys.xml

+<catalog_method>
+</catalog_method>

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/z_related_explanation_from_stock.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="SQL" module="Products.ZSQLMethods.SQL"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>allow_simple_one_argument_traversal</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>arguments_src</string> </key>
+            <value> <string>table_0</string> </value>
+        </item>
+        <item>
+            <key> <string>cache_time_</string> </key>
+            <value> <int>0</int> </value>
+        </item>
+        <item>
+            <key> <string>class_file_</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>class_name_</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>connection_hook</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>connection_id</string> </key>
+            <value> <string>erp5_sql_connection</string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>z_related_explanation_from_stock</string> </value>
+        </item>
+        <item>
+            <key> <string>max_cache_</string> </key>
+            <value> <int>100</int> </value>
+        </item>
+        <item>
+            <key> <string>max_rows_</string> </key>
+            <value> <int>1000</int> </value>
+        </item>
+        <item>
+            <key> <string>src</string> </key>
+            <value> <string encoding="cdata"><![CDATA[
+
+<dtml-var table_0>.uid = stock.explanation_uid
+
+]]></string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/CatalogRelatedKeyTemplateItem/related_key_list.xml

@@ -29,6 +29,8 @@
  <key>predicate_uid | predicate/uid/z_related_predicate</key>
  <key>related_resource_from_use_category_uid | category,category/category_uid/z_related_resource_from_use</key>
  <key>resourceType | stock,catalog/portal_type/z_related_resource_from_stock</key>
+ <key>stock_explanation_portal_type | catalog/portal_type/z_related_explanation_from_stock</key>
+ <key>stock_explanation_simulation_state | catalog/simulation_state/z_related_explanation_from_stock</key>
  <key>stock_function_category_strict_membership_uid | category/category_uid/z_related_strict_membership_function_uid_from_stock</key>
  <key>stock_function_category_uid | category/category_uid/z_related_function_uid_from_stock</key>
  <key>stock_funding_category_strict_membership_uid | category/category_uid/z_related_strict_membership_funding_uid_from_stock</key>

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/bt/template_catalog_method_id_list

@@ -86,6 +86,7 @@ erp5_mysql_innodb/z_related_base_category_id
 erp5_mysql_innodb/z_related_career_skill
 erp5_mysql_innodb/z_related_children
 erp5_mysql_innodb/z_related_explanation
+erp5_mysql_innodb/z_related_explanation_from_stock
 erp5_mysql_innodb/z_related_function_uid_from_stock
 erp5_mysql_innodb/z_related_funding_uid_from_stock
 erp5_mysql_innodb/z_related_grand_parent

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/bt/template_catalog_related_key_list

@@ -60,3 +60,5 @@ stock_funding_category_strict_membership_uid | category/category_uid/z_related_s
 stock_funding_category_uid | category/category_uid/z_related_funding_uid_from_stock
 stock_payment_request_category_strict_membership_uid | category/category_uid/z_related_strict_membership_payment_request_uid_from_stock
 stock_payment_request_category_uid | category/category_uid/z_related_payment_request_uid_from_stock
+stock_explanation_portal_type | catalog/portal_type/z_related_explanation_from_stock
+stock_explanation_simulation_state | catalog/simulation_state/z_related_explanation_from_stock
\ No newline at end of file