fix cross-shard qualified name bug

ref CNVS-18330

Change-Id: Ibdd77f87f1b86e744d70116b4f1a9c9327639c57
Reviewed-on: https://gerrit.instructure.com/74999
Reviewed-by: James Williams  <jamesw@instructure.com>
Tested-by: Jenkins
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>

Author: ccutrer

app/models/collaboration.rb

@@ -170,7 +170,7 @@ def self.any_collaborations_configured?(context)
     plugin_collabs = collaboration_types.any? do |type|
       collaboration_class(type['type'].titleize.gsub(/\s/, '')).present?
     end
-    external_tool_collabs = ContextExternalTool.all_tools_for(context, placements: :collaboration).any?
+    external_tool_collabs = ContextExternalTool.all_tools_for(context, placements: :collaboration).exists?
     plugin_collabs || external_tool_collabs
   end
 

app/models/context_external_tool.rb

@@ -515,10 +515,12 @@ def self.all_tools_for(context, options={})
     contexts.concat contexts_to_search(context)
     return nil if contexts.empty?
 
-    scope = ContextExternalTool.shard(context.shard).polymorphic_where(context: contexts).active
-    scope = scope.placements(*placements)
-    scope = scope.selectable if Canvas::Plugin.value_to_boolean(options[:selectable])
-    scope.order("#{ContextExternalTool.best_unicode_collation_key('context_external_tools.name')}, context_external_tools.id")
+    context.shard.activate do
+      scope = ContextExternalTool.shard(context.shard).polymorphic_where(context: contexts).active
+      scope = scope.placements(*placements)
+      scope = scope.selectable if Canvas::Plugin.value_to_boolean(options[:selectable])
+      scope.order("#{ContextExternalTool.best_unicode_collation_key('context_external_tools.name')}, context_external_tools.id")
+    end
   end
 
   def self.find_external_tool_by_id(id, context)