Fix issuable state counter cache keys

These cache a hash of counts by state, so the state isn't needed in the key
itself.

app/finders/issuable_finder.rb

@@ -89,8 +89,8 @@ class IssuableFinder
     execute.find_by!(*params)
   end
 
-  def state_counter_cache_key(state)
-    Digest::SHA1.hexdigest(state_counter_cache_key_components(state).flatten.join('-'))
+  def state_counter_cache_key
+    Digest::SHA1.hexdigest(state_counter_cache_key_components.flatten.join('-'))
   end
 
   def group
@@ -417,9 +417,8 @@ class IssuableFinder
     params[:scope] == 'created-by-me' || params[:scope] == 'authored' || params[:scope] == 'assigned-to-me'
   end
 
-  def state_counter_cache_key_components(state)
+  def state_counter_cache_key_components
     opts = params.with_indifferent_access
-    opts[:state] = state
     opts.except!(*IRRELEVANT_PARAMS_FOR_CACHE_KEY)
     opts.delete_if { |_, value| value.blank? }
 

app/finders/issues_finder.rb

@@ -75,7 +75,7 @@ class IssuesFinder < IssuableFinder
     current_user.blank? || for_counting || params[:for_counting]
   end
 
-  def state_counter_cache_key_components(state)
+  def state_counter_cache_key_components
     extra_components = [
       user_can_see_all_confidential_issues?,
       user_cannot_see_confidential_issues?(for_counting: true)

app/helpers/issuables_helper.rb

@@ -235,7 +235,7 @@ module IssuablesHelper
 
   def issuables_count_for_state(issuable_type, state, finder: nil)
     finder ||= public_send("#{issuable_type}_finder")
-    cache_key = finder.state_counter_cache_key(state)
+    cache_key = finder.state_counter_cache_key
 
     @counts ||= {}
     @counts[cache_key] ||= Rails.cache.fetch(cache_key, expires_in: 2.minutes) do