fix: do not send favicon request to network when interception is on

[yury-s]

Otherwise we hit the network in presumably hermetic tests:

Error: 6 [ERROR] com.microsoft.playwright.TestBrowserContextStorageState.shouldCaptureLocalStorage -- Time elapsed: 7.768 s <<< FAILURE!
org.opentest4j.AssertionFailedError: expected: <{"cookies":[],"origins":[{"origin":"https://www.domain.com/","localStorage":[{"name":"name2","value":"value2"}]},{"origin":"https://www.example.com/","localStorage":[{"name":"name1","value":"value1"}]}]}> but was: <{"cookies":[{"name":"__cf_bm","value":"swy7AlkQNfUppNapX0xrvlt.YyuGQW91vnBWHolxA0Q-1731700690-1.0.1.1-hs3s0FARyESNGlio6FS9qbG3pDn9jeZIk0IpGBRkgPDDb5HDF7d6Vizjtfo52QDEeE85uhjBVIJvNtjV3q4XpQ","domain":".domain.com","path":"/","expires":1731702490.484379,"httpOnly":true,"secure":true,"sameSite":"None"}],"origins":[{"origin":"https://www.domain.com/","localStorage":[{"name":"name2","value":"value2"}]},{"origin":"https://www.example.com/","localStorage":[{"name":"name1","value":"value1"}]}]}>
	at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
	at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
	at org.junit.jupiter.api.AssertEquals.failNotEqual(AssertEquals.java:197)
	at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:182)
	at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:177)
	at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:1145)
	at com.microsoft.playwright.Utils.assertJsonEquals(Utils.java:66)
	at com.microsoft.playwright.TestBrowserContextStorageState.shouldCaptureLocalStorage(TestBrowserContextStorageState.java:46)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)

[github-actions]

Test results for "tests 1"

3 flaky

⚠️ [playwright-test] › ui-mode-test-setup.spec.ts:98:5 › should show errors in config @macos-latest-node18-1
⚠️ [chromium-library] › library/video.spec.ts:381:5 › screencast › should capture navigation @ubuntu-20.04-chromium-tip-of-tree
⚠️ [webkit-library] › library/browsercontext-add-cookies.spec.ts:429:3 › should allow unnamed cookies @webkit-ubuntu-22.04-node18

36922 passed, 650 skipped
✔️✔️✔️

Merge workflow run.