Signal connection times out on the "v0 path" at agent join, forcing a fallback that adds 0.5–5s of call-setup latency

RM_inoeUnCnAUAr
RM_e4wjtVmh74PD
RM_jkW89NpKS7NF
RM_CDGWVwZqR62D
RM_fqfjAjff7DMs
RM_eQRcri2MdS8G
RM_PwWZbRuv9T7e
RM_ivzNxeGBPqRb

@CWilson - we aer facing this everyday now. Room Ids above where we faced this today. Will this PR solve this issue too - Server-initiated migration fails to resume on agents 1.4.6 — subscriber + publisher PC fail, no recovery, process killed (expected fixed in >1.4.2 per agents #4705) - #10 by CWilson