[NFC] BridgeJS: Move all Optional tests into OptionalSupportTests (#680) #2418

Job	Run time
check-bridgejs-generated	2m 39s
Build for native target (macos-15, Xcode_16.4)	2m 1s
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	3m 12s
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	2m 58s
build-examples	19m 38s
format	33s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	12m 45s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	12m 42s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	12m 53s
prettier	7s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	15m 48s
deploy-examples	11s
	1h 25m 27s

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