split WithActiveAnimation from SeedsResource

closes #5300
don't play active animation when we sell it
Merge pull request #5806 from Mailaender/seeds-resources-cleanup

Fixed SeedsResources messing with make animation
depend on proper status in auto-downloading
Merge pull request #5839 from ihptru/downloadingstatus

depend on proper status in auto-downloading
add FrozenActorLayer to Tiberian Sun
add blossom trees to Tiberian Sun
categorize shellmaps
fix Unit sietch does not have a sequence named bib2x
pause active animations
Merge pull request #5849 from Mailaender/active-animation-pause

Fixed active animations playing during paused games
Merge pull request #5848 from Mailaender/shellmap-category

Categorized shellmaps
Merge pull request #5847 from Mailaender/sietch-bib

Fixed the sietch crashing the game when placed on a map
Merge pull request #5844 from Mailaender/ts-blossom-trees

Added Blossom Trees to Tiberian Sun
fix a NullReferenceException in preview.Map