Rename references in Unity asset files, allow skipping this step

Renaming methods that are used for example in unity events pops up a confirmation dialog that indicates the plugin wants to modify asset files, but that only allows 'back' 'Next' and 'Cancel', where cancel does not skip the unity asset modifications but completly cancels the rename operation.
Please allow skipping this operation only as in some cases it's not wanted to have those files automatically modified and a (scene) reload forced.