[erp5_only_office] fix double save on press savebtn, and remove infinte savelock

bt5/erp5_only_office/SkinTemplateItem/portal_skins/erp5_only_office/onlyoffice.gadget.js.js

@@ -500,7 +500,7 @@ DocsAPI.DocEditor.version = function () {
             g.props.save_defer.resolve();
             g.props.save_defer = null;
           } else {
-            g.triggerSubmit();
+            return g.triggerSubmit();
           }
         });
     })

bt5/erp5_only_office/SkinTemplateItem/portal_skins/erp5_only_office/onlyoffice/sdkjs/cell/api.js.js

@@ -1367,6 +1367,7 @@ var editor;
         this.CoAuthoringApi.saveChanges(arrChanges, deleteIndex, excelAdditionalInfo, this.canUnlockDocument2);
         History.CanNotAddChanges = true;
       } else {
+        this.CoAuthoringApi.onUnSaveLock();
         this.CoAuthoringApi.unLockDocument(true, this.canUnlockDocument2);
       }
       this.canUnlockDocument2 = false;

bt5/erp5_only_office/SkinTemplateItem/portal_skins/erp5_only_office/onlyoffice/web-apps/apps/spreadsheeteditor/main/app/controller/Main.js.js

@@ -716,7 +716,7 @@ define([
                 Common.Gateway.on('processrightschange', _.bind(me.onProcessRightsChange, me));
                 Common.Gateway.on('processmouse', _.bind(me.onProcessMouse, me));
                 Common.Gateway.on('save', function () {
-                    if (me.api.asc_isDocumentModified()) {
+                    if (me.api.asc_isDocumentModified() && me.api.asc_isDocumentCanSave()) {
                         me.api.asc_Save();
                         return true;
                     }