fix(bitcoin): add Signet support and network-aware OKX/Unisat connectors#5347

tomiir wants to merge 19 commits intomainreown-com/appkit:mainfrom

tomas/apkt-4196-babylon-bug-signet-network-not-working-correctly-in-bitcoinreown-com/appkit:tomas/apkt-4196-babylon-bug-signet-network-not-working-correctly-in-bitcoinCopy head branch name to clipboard