epic: improve gateway conformance coverage

[SgtPooki]

related to ipfs/service-worker-gateway#224

Chatted with @lidel about this. We should focus on the following order of improvement:

Tasks

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1. Fix infinite querying bug (reproducible on some gateway conformance tests that were disabled in https://github.com/ipfs/helia-verified-fetch/pull/81) #84
   +0
   
2. 100% gateway conformance: TestUnixFSDirectoryListing
3. 100% gateway conformance: TestPathGatewayMiscellaneous
4. 100% gateway conformance: TestGatewayCache
5. 100% gateway conformance: TestGatewayCacheWithIPNS
6. 100% gateway conformance: TestRedirectsFileSupport
7. 100% gateway conformance: TestRedirectsFileWithIfNoneMatchHeader

[SgtPooki]

FYI #45 bumped TestPathGatewayMiscellaneous GWC from 40% to 100% success rate, but dropped TestDagPbConversion from 43.08% to 35.38%

Verified when working on #83

[SgtPooki]

i’m up to 50% success rate on subdomain gateway tests.. I was trying to focus on the order listed in the issue description, but ran into so many issues with network requests not working that should have, I just started diving in where i could

[SgtPooki]

I should be able to start on some other tests now that I have most of the gateway-conformance routing issues resolved in the test setup