set @root_class only if it is not already set by subclass

setting `@root_class` here was causing incorrect filters to load for Instances/Images Accordions in Cloud/Instances explorer. Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1715462
h-kataria · May 30, 2019 · 89fc580 · 89fc580
1 parent 1937518
commit 89fc580
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/app/presenters/tree_builder_vms_filter.rb b/app/presenters/tree_builder_vms_filter.rb
@@ -1,6 +1,6 @@
 class TreeBuilderVmsFilter < TreeBuilder
   def initialize(*args)
-    @root_class = 'ManageIQ::Providers::InfraManager::Vm'
+    @root_class ||= 'ManageIQ::Providers::InfraManager::Vm'
     super(*args)
   end