Unmute player when interacting with volume slider

[ceyhun-o]

This PR adds 2 small changes:

• When the player is muted, the volume bar now reflects the minimum value (goes all the way to 0).
• When the player is muted, clicking to set a different volume on the volume bar or dragging it now unmutes the player.

Both of these were the behavior of the old VJS based UI.

The only different case still not handled is:

• When the player is muted (and thus volume bar shows 0), if you just click on the volume bar at where it is (meaning, if you also click on its 0 volume position), the player doesn't unmute with the 0 volume. VJS-based UI is doing this but I don't believe this is necessary?

Closes #120.

[changeset-bot]

🦋 Changeset detected

Latest commit: 8d17c53

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@theoplayer/web-ui	Patch
@theoplayer/react-ui	Patch

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