Patch 1.5.1

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-- Game - v1.5.1
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* [FEATURE] [EXPERIMENTAL] Trackeditor 'eraser' mode
* [FEATURE] [EXPERIMENTAL] Trackeditor multiple gridmodes - inc none
* [FEATURE] [EXPERIMENTAL] Trackeditor obstacle painting
* [FEATURE] [EXPERIMENTAL] Trackeditor obstacle stacking
* [FEATURE] [EXPERIMENTAL] Trackeditor disable collision for weird stuff
* [FEATURE] [EXPERIMENTAL] Trackeditor object properties - for now you can change the look of block/trap pieces individually
* [UPDATE] Place obstacles without block parent
* [UPDATE] Scaling Track editor objects WIP
* [UPDATE] Track editor item browsers
* [UPDATE] Added additional Streamer role
* [FIX] Ground collision for obstacles
* [FIX] Fix for camera zeppelin & podium bug
* [FIX] Issue where long names in the leaderboard would overlap
* [FIX] Multiple readibility fixes on text (colors, length, etc.) for cards and other UI elements
* [FIX] Event playlist is now also properly set when manually selected during events - now the challenge will be properly calculated
* [FIX] Twitch users join with twitch cars only
* [FIX] Playlist challenges now updates with playlist loop
* [FIX] Hero bots spawning in time
* [FIX] Wrong cameramode text bug
* [FIX] All cameras restore correctly
* [FIX] Build traps with not enough scrap bug
* [FIX] Delete block with obstacle bug
* [FIX] Reset trackeditor camera
* [FIX] Lerp from editor camera to free camera
* [FIX] Choosepanel override road bug
* [FIX] Trackeditor follow camera for floater object
* [FIX] Minor changes & tweaks for stability