Fix fontSizeChange event for Restore Font Size command
Stop event from firing twice. Make code work with em units.
Only fire event when there is an adjustment in font size
Merge pull request #7443 from lkcampbell/fix-font-size-event

Fix fontSizeChange event for Restore Font Size command
- update sprint from 38 to 39
Updated by ALF automation.
Merge pull request #7475 from adobe/alf_localization

ALF Automation
Merge remote-tracking branch 'origin/master' into randy/find-replace-unit-tests