plugins/discovery: Update comparison logic for overrides #10173

Job	Run time	Billable time
Generate Code	1m 9s	0s
Go Lint	1m 39s	0s
Rego PR checks	1m 34s	0s
YAML Lint	15s	0s
Check Generated	24s	0s
Go Test (linux)	4m 27s	0s
Go compat build/test (ubuntu-22.04, 1.20)	3m 57s	0s
Go Build (linux amd64)	2m 25s	0s
Go Test (darwin)	3m 59s	0s
Go compat build/test (macos-latest, 1.20)	4m 48s	0s
Go Build (linux arm64)	2m 3s	0s
Go Race Detector	6m 14s	0s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 18s	0s
WASM	12s	0s
Go Build (windows amd64)	2m 31s	0s
Go Build (darwin amd64)	1m 23s	0s
docker image smoke test	43s	0s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64, amd64)	13s	0s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64_static, amd64, disabled)	9s	0s
smoke-test-binaries (darwin, macos-latest, opa_darwin_amd64, amd64)	25s	0s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	32s	0s
	41m 20s	0s

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