Merge branch 'release/GDC2022' into sam/fix/adding-transport-RTT-to-U…

…I-stats

* release/GDC2022:
  lobby fix: Removing quit when lobby detects host left. (#505)
  Cherrypick: bigger floor tiles, bossroom.unity scene merge conflict resolved with unity merge tool (#519)
  Cherrypick: lobby visual rework, mainmenu.unity scene merge conflict resolved with unity merge tool (#520)
  cherrypick: Boss and run VFX Optimizations (#514) (#521)
  feat: loading screen (GDC version) (#495)
  fix: client writing to NetworkVariable inside ServerCharacterMovement (#517)
  fix: imps spawning issues when late joining (#497)
  Adding handling of host disconnect (#486) (#509)
  fix: NREs when trying to quit (#516)
  hack fix: disabling client side rate limiting for GDC, real fix should come on develop (#500)
  fix: NetworkAnimator being called on clients (#512)
  fix: username changing before game (#499)

Assets/BossRoom/Material/Dungeon/env_deco.mat

@@ -25,7 +25,7 @@ Material:
   m_ShaderKeywords: _METALLICSPECGLOSSMAP _NORMALMAP
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 1
-  m_DoubleSidedGI: 0
+  m_DoubleSidedGI: 1
   m_CustomRenderQueue: 2000
   stringTagMap:
     RenderType: Opaque