[ProfileManager] Fix currentProfile() cutting last char of profile name
[LocationCompleter] Pause updates when removing items from completer

Also adjust the size of popup after removing items + close it after
removing last item.
[SiteIcon] Show icon with small delay (100ms)
[LoadingAnimation] New loading animation

Instead of using QMovie with GIF, one PNG file with all
frames is now animated.
Fixes issue with bad transparent background of previous GIF
animation.