Make engine background color driven by theme setting (#1842)

* Bump ts lib

* Make engine background color driven by theme setting

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Force snapshots to dark mode, fix theme init

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Don't assume we have engineCommandManager in CameraControls,
because for some reason it's being loaded before engineConnection in test environments?

* Merge branch 'main' into change-bg-color

* Replace optional chaining with this.engineCommandManager

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Okay now all snapshot tests are actually in dark mode

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* trigger ci

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Kurt Hutten Irev-Dev <k.hutten@protonmail.ch>

src/hooks/useSetupEngineManager.ts

@@ -3,10 +3,12 @@ import { parse } from '../lang/wasm'
 import { useStore } from '../useStore'
 import { engineCommandManager, kclManager } from 'lib/singletons'
 import { deferExecution } from 'lib/utils'
+import { Themes } from 'lib/theme'
 
 export function useSetupEngineManager(
   streamRef: React.RefObject<HTMLDivElement>,
-  token?: string
+  token?: string,
+  theme = Themes.System
 ) {
   const {
     setMediaStream,
@@ -43,6 +45,7 @@ export function useSetupEngineManager(
           return kclManager.executeAst(_ast, true)
         },
         token,
+        theme,
       })
       setStreamDimensions({
         streamWidth: quadWidth,