Multiple Personal Mirror settings are not working as intended

-Masking: When "World" is not selected, it showed a black background instead of being transparent

-Opacity: Doesn't change

These are inconsistent from Android Mobile, where they work as intended.

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The following don't work on Android Mobile & iOS:

-Face Mirror Opacity: Doesn't change

-Face Mirror Position: Doesn't work

-Face Mirror Size: Doesn't change