fixed bug if a user modified an active .rule file and then did a Reset/Undo/Redo
Glui: replaced deprecated UIWebView with WKWebView
Glui: hide tab bar and revert to smaller buttons
Glui: fixed various compiler warnings
Glui: changes needed for Xcode 26.3
iOS Golly: changes needed to get back smaller buttons
iOS Golly: safer if SaveChanges is async
iOS Golly: updated project settings needed for Xcode 26.3