fix: change servertailnet to register the DERP dialer before setting DERP map #12137
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deansheather
approved these changes
Feb 14, 2024
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I noticed a possible race where tailnet.Conn can try to dial the embedded region before we've set our custom dialer that send the DERP in-memory. This closes that race and adds a test case for servertailnet with no STUN and an embedded relay