[NFC] BridgeJS: Move all Optional tests into OptionalSupportTests #2417

Job	Run time
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	3m 4s
check-bridgejs-generated	2m 44s
build-examples	21m 15s
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	3m 15s
prettier	13s
format	32s
Build for native target (macos-15, Xcode_16.4)	2m 22s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	13m 8s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	16m 56s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	13m 32s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	14m 5s
deploy-examples	0s
	1h 31m 6s

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