Add correct translation key of component

Author: LowLevel

test/sandbox/config/locales/en.yml

@@ -25,7 +25,7 @@ en:
   my_component:
     message: "OH NO! (you shouldn't see me)"
 
-  test_component:
+  relative_translation_partial_parent_component:
     title: Test Component Title
   shared:
     partial: