2.3.4

1. Always check if an items duration is valid before using to calculate selection duration.
2. Ignore clicks on artist, album, etc. subtitles in queue when selection active.
3. Remove icon mapping for RadioFrance and TVHeadend icon, as plugins now provide their own.
4. Fix check for all items having same icon/image.
5. Fix colour of player status icons for light themes with coloured toolbars.
6. Fix colour of SVG icons in toolbars of fullscreen dialogs when using light themes with coloured toolbars.
7. Fix opening menu of pinned item in browse when another browse menu is open.
8. If rating is 1 or 0.5 and click to set same value then reset rating to 0.
9. Add 'Remove' to ratings dialog, setting rating to 0.
10. Fix showing link menu in now-playing whilst existing already open.
11. Add semi-transparent background when showing rating in portrait now-playing.