fix: whiteboard editor icon is glay on App bar

[snowtimeglass]

Purpose / Description

Whiteboard editor icon is dark gray on App bar

Fixes

N/A

Approach

• Use ContextCompat instead of VectorDrawableCompat (as in whiteboardIcon and stylusIcon)
  

  Anki-Android/AnkiDroid/src/main/java/com/ichi2/anki/Reviewer.kt

  Lines 819 to 820 in cbebed6

  	val whiteboardIcon = ContextCompat.getDrawable(applicationContext, R.drawable.ic_gesture_white)!!.mutate()
  	val stylusIcon = ContextCompat.getDrawable(this, R.drawable.ic_gesture_stylus)!!.mutate()

• Use applicationContext, as in whiteboardIcon, and as the approach in fix: change context to match application theme #15894

How Has This Been Tested?

Checked in physical device (Android 11)

Before	After
--	(No adverse effects in the icon in the menu)
--	(No adverse effects in Settings screen)
--	(No adverse effects in Appearance screen)
--	(No adverse effects in Controls screen)

Checklist

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[mikehardy]

Nice fix, links to relevant work and screenshots make it pretty clear

[lukstbit]

LGTM!

[david-allison]

Note

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