The Room: scene pass, photo texture import settings (no mips/compression), remove Chameleon Background

Plus NetworkSimulator preset rid churn in Main.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Assets/Scenes/Main.unity

@@ -1773,7 +1773,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: Unity.Multiplayer.Tools.NetworkSimulator.Runtime::Unity.Multiplayer.Tools.NetworkSimulator.Runtime.NetworkSimulator
   m_PresetAsset: {fileID: 0}
   m_PresetReference:
-    rid: 4015181368109826251
+    rid: 4015181404770926592
   m_Scenario:
     rid: -2
   m_IsScenarioSettingsFolded: 0
@@ -1783,7 +1783,7 @@ MonoBehaviour:
     RefIds:
     - rid: -2
       type: {class: , ns: , asm: }
-    - rid: 4015181368109826251
+    - rid: 4015181404770926592
       type: {class: NetworkSimulatorPreset, ns: Unity.Multiplayer.Tools.NetworkSimulator.Runtime, asm: Unity.Multiplayer.Tools.NetworkSimulator.Runtime}
       data:
         <Name>k__BackingField: 'Mobile 2G [CDMA & GSM, ''00]'