Fixed 2 meaningless errors in the planet viewer that didn't affect anything

Fix missing sound when building a district
Decreased the button to remove blocker, so that planetary feature lore is readable before and whilst blocker is removed. (Button is now the blocker image, not the whole feature entry)

Update for 2.3.0

Fix planet modifiers overlapping devestation indicator

Increase district size to 9

Remove info box

Planet view - Fix not being able to get tooltip info from Governor contents

Planet view - Completely redesign of governor panel in planet view, based on a future design from Paradox: https://twitter.com/dmoregard/status/1121728974693064705
Planet view - Fix scroll list height when replacing districts

Initial Upload