The save button should be enabled/disabled depending on if there are changes.
This is a known request and it was rejected several times for good reasons. Please read the comments in issues #95849 and #85071 for further information. If you want, you can add further comments in #95849. *** This bug has been marked as a duplicate of bug 95849 ***
*** Bug 354545 has been marked as a duplicate of this bug. ***