Fix Gitlab::EeCompatCheck: use `ee_branch_found` instead of `ee_branch`

Signed-off-by: Rémy Coutable <remy@rymai.me>

lib/gitlab/ee_compat_check.rb

@@ -125,7 +125,7 @@ module Gitlab
       end
       puts
-      puts applies_cleanly_msg(ee_branch)
+      puts applies_cleanly_msg(ee_branch_found)
     end
     def check_patch(patch_path)
@@ -215,7 +215,7 @@ module Gitlab
     end
     def ee_patch_name
-      @ee_patch_name ||= patch_name_from_branch(ee_branch)
+      @ee_patch_name ||= patch_name_from_branch(ee_branch_found)
     end
     def ee_patch_full_path