Merge pull request rails#40918 from ivgiuliani/ivgiuliani/better-warning-invisible-space

Include file path in invisible space warning

Author: kamipo

activesupport/lib/active_support/configuration_file.rb

@@ -33,7 +33,7 @@ def read(content_path)
 
         File.read(content_path).tap do |content|
           if content.include?("\u00A0")
-            warn "File contains invisible non-breaking spaces, you may want to remove those"
+            warn "#{content_path} contains invisible non-breaking spaces, you may want to remove those"
           end
         end
       end