Panic in resourceErrorFromEntityAction

[pmalek]

Problem statement

E2E tests detected a panic in https://github.com/Kong/kubernetes-ingress-controller/actions/runs/12218873131/job/34084868994#step:7:1303 when running the enterprise-postgres suite:

panic: reflect: call of reflect.Value.IsZero on zero Value

goroutine 22058 [running]:
reflect.Value.IsZero({0x0?, 0x0?, 0x0?})
	/opt/hostedtoolcache/go/1.23.2/x64/src/reflect/value.go:1638 +0xdea
github.com/kong/kubernetes-ingress-controller/v3/internal/dataplane/sendconfig.resourceErrorFromEntityAction({{0x59ee97b, 0x6}, {{0xc00241d1d1, 0xf}, {0x5a1a4a2, 0x17}, {0x0, 0x0}, {0x57d2000, 0xc002fcfd00}}, ...})
	/home/runner/work/kubernetes-ingress-controller/kubernetes-ingress-controller/internal/dataplane/sendconfig/dbmode.go:165 +0x1eb
github.com/kong/kubernetes-ingress-controller/v3/internal/dataplane/sendconfig.(*UpdateStrategyDBMode).handleEvents(0xc001a9f8c0, {0x616b7c8, 0xc00282a0a0}, 0xc00312f730)
	/home/runner/work/kubernetes-ingress-controller/kubernetes-ingress-controller/internal/dataplane/sendconfig/dbmode.go:130 +0x538
created by github.com/kong/kubernetes-ingress-controller/v3/internal/dataplane/sendconfig.(*UpdateStrategyDBMode).Update in goroutine 21871
	/home/runner/work/kubernetes-ingress-controller/kubernetes-ingress-controller/internal/dataplane/sendconfig/dbmode.go:93 +0x74b

Acceptance criteria

• No panics are encountered when running enterprise-postgres test suite.