Accessibility: Fix Voice Over scope & add missing accessibility labels

This merge request brings fixes to:

The Voice Over scope in the action sheet: the .isAccessibilityElement set to true in the background view was preventing Voice Over to access its subviews.

Therefore, when Voice Over was enabled, it was not able to read the accesibility labels of the subviews and nothing was read.

This merge request also adds:

Missing accessibility labels to:

• The action sheet
• The options navigation bar
• The playback speed view

Closes #1387 (closed)

changed milestone to %3.4.0

added Bug a11y labels

approved this merge request

added 7 commits

• 9dac7000...a3c2544f - 5 commits from branch videolan:master
• 95d536ed - ActionSheet: Enable Voice Over to read subviews labels
• d9f0a2a1 - Accessibility: Add missing accessibility labels

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added 1 commit

• 31e9efbc - Accessibility: Add missing accessibility labels

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resolved all threads

resolved all threads

approved this merge request

merged

mentioned in merge request !856 (merged)

mentioned in issue #1343 (closed)