[Fix] Respawn dialog bugfixes and improvements

[empollak]

Pull Request Description

When merged this pull request will:

• Fix dialog text for ticket count
• Fix dialog opening on down instead of dead
• Fix squad selection menu losing a squad when it gets renamed
• Add squad member counts to squad selection menu for parity with the one that comes up when alive
• Ticket text now goes red when you hit 0 to give some indication of a problem
• Add config flag to disable respawn dialog entirely
• Close dialog and lock user out of it when a respawn square is placed down, forcing them to spawn immediately at the respawn square

Release Notes

Bugfixes for the respawn dialog based on feedback from the test session. Mission makers can now force spawn using respawn squares, and have the option to disable the respawn menu entirely.

IMPORTANT

• Testing has been completed as neccessary, depending on the nature & impact of the changes.
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• Title of this PR uses our standard template [Descriptor] - Add|Fix|Improve|Change|Make|Remove {changes}.

[Bubbus]

lfg thank you