Improve autodefeat behavior under-the-hood

Make defeated teams' capture point range infinity to accomodate different map designs

No longer triggers on silent deaths (enabling compatibility w/ player switcher mutator)

Make compatible w/ stable branch

Fix certain teams not permadying when spectating, auto trigger defeat when team is permadead

Add toggle for permadeath fade, fix odd behavior when setting fade delay & duration to 0, add slider for deaths before permadeath

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