Order depth fixture camera like the serialized Unity DTO

tools/android/exercise-playground.ps1

@@ -233,7 +233,7 @@ try {
     $after=HoldDrag 'thin-fast-reverse' $before.latestFreePlay $thin.ballId ([int][Math]::Round($thin.end.x)) ([int][Math]::Round($thin.end.y)) 300 -ReversePixels 80
     $stopped=@($thin.expected.balls|Where-Object id -eq $thin.ballId)[0].position;$reversed=@($after.latestFreePlay.balls|Where-Object id -eq $thin.ballId)[0].position
     Check 'thin-fast-reverse-opposite-immediate-safe-drop' ($reversed.x-lt$stopped.x-.05-and(SameMembership $thin.source $after.latestFreePlay)-and(InBounds $after.latestFreePlay 1)-and(Same $thin.source.camera $after.latestFreePlay.camera)) 'Actual opposite move from blocked last-safe point reacts immediately and drops with both exact groups preserved'
-    $depth=Clone $fixtures.restores[0].freeSource;$depth.sourceStageId=1;$depth.camera=[pscustomobject]@{target=@{x=0;y=2.35;z=0};distance=14;rotation=@{x=0;y=0;z=0;w=1}}
+    $depth=Clone $fixtures.restores[0].freeSource;$depth.sourceStageId=1;$depth.camera=[pscustomobject][ordered]@{target=[pscustomobject][ordered]@{x=0;y=2.35;z=0};rotation=[pscustomobject][ordered]@{x=0;y=0;z=0;w=1};distance=14}
     $depth.balls=@(@{id='native-depth-front';position=@{x=-1;y=3;z=0}},@{id='native-depth-back';position=@{x=1;y=3;z=4}})
     $depth.groups=@(@{id='native-depth-front-group';ballIds=@('native-depth-front')},@{id='native-depth-back-group';ballIds=@('native-depth-back')})
     $short=$null