[release/v1.2] cherry pick for v1.2.5#5029

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zhaohuabing wants to merge 10 commits intoenvoyproxy:release/v1.2from zhaohuabing:release/v1.2.5-cherry-pick

+1,029-265

Commits on Jan 10, 2025

fix: nil pointer error (envoyproxy#5000 )
zhaohuabing
committed
fix: store one copy of HTTPRoute Extension Filters (envoyproxy#5002 )

guydc
authored and
zhaohuabing
committed
fix: enable ipv4 compat mode for dual stack cluster support (envoyproxy#5018 )

tekulvw
authored and
zhaohuabing
committed
fix: explicitly set ip family and family policy in gateway spec (envoyproxy#5019 )

tekulvw
authored and
zhaohuabing
committed
fix: check before setting cookie TTL in sessionPersistence (envoyproxy#5026 )

arkodg
authored and
zhaohuabing
committed
fix: dont shift listener ports for Standalone mode (envoyproxy#5027 )

arkodg
authored and
zhaohuabing
committed