fix(quic): adapt QuicServer::accpet more usages

[eareimu]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 8 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
gm-quic/src/server.rs	57.89%	8 Missing ⚠️

Files with missing lines	Coverage Δ
gm-quic/src/util.rs	93.18% <100.00%> (+24.76%)	⬆️
qconnection/src/usc.rs	96.55% <ø> (ø)
gm-quic/src/server.rs	49.32% <57.89%> (+0.26%)	⬆️

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[huster-zhangpeng]

ok