fix: PageCollector subscribing multiple times #624

Job	Run time
Tests on ubuntu-latest with node 23	1m 13s
Tests on ubuntu-latest with node 22	1m 8s
Tests on windows-latest with node 22	2m 4s
Tests on ubuntu-latest with node 20	56s
Tests on windows-latest with node 23	3m 35s
Tests on ubuntu-latest with node 24	1m 9s
Tests on macos-latest with node 20	1m 50s
Tests on macos-latest with node 22	53s
Tests on macos-latest with node 24	1m 0s
Tests on windows-latest with node 20	2m 16s
Tests on macos-latest with node 23	1m 35s
Tests on windows-latest with node 24	2m 22s
[Required] Tests passed	3s
	20m 4s

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