fix query

app/controllers/templates_dashboard_controller.rb

@@ -25,7 +25,7 @@ class TemplatesDashboardController < ApplicationController
       @templates = @templates.none
     else
       @template_folders = @template_folders.reject { |e| e.name == TemplateFolder::DEFAULT_NAME }
-      @templates = filter_templates(@templates)
+      @templates = filter_templates(@templates).preload(:author, :template_accesses)
       @templates = Templates::Order.call(@templates, current_user, cookies.permanent[:dashboard_templates_order])
 
       limit =
@@ -42,7 +42,7 @@ class TemplatesDashboardController < ApplicationController
   private
 
   def filter_templates(templates)
-    rel = templates.active.preload(:author, :template_accesses)
+    rel = templates.active
 
     if params[:q].blank?
       if Docuseal.multitenant? ? current_account.testing? : current_account.linked_account_account
@@ -51,7 +51,14 @@ class TemplatesDashboardController < ApplicationController
 
         shared_template_ids = TemplateSharing.where(account_id: shared_account_ids).select(:template_id)
 
-        rel = rel.where(folder_id: current_account.default_template_folder.id).or(rel.where(id: shared_template_ids))
+        rel = Template.where(
+          Template.arel_table[:id].in(
+            Arel::Nodes::Union.new(
+              rel.where(folder_id: current_account.default_template_folder.id).select(:id).arel,
+              shared_template_ids.arel
+            )
+          )
+        )
       else
         rel = rel.where(folder_id: current_account.default_template_folder.id)
       end

lib/abilities/template_conditions.rb

@@ -13,12 +13,7 @@ module Abilities
         TemplateSharing.where({ ability:, account_id: [user.account_id, TemplateSharing::ALL_ID] }.compact)
                        .select(:template_id)
 
-      join_query =
-        Template.arel_table
-                .join(Arel::Nodes::TableAlias.new(templates.select(:id).arel.union(shared_ids.arel), 'union_ids'))
-                .on(Template.arel_table[:id].eq(Arel::Table.new(:union_ids)[:id]))
-
-      Template.joins(join_query.join_sources.first)
+      Template.where(Template.arel_table[:id].in(Arel::Nodes::Union.new(templates.select(:id).arel, shared_ids.arel)))
     end
 
     def entity(template, user:, ability: nil)