BridgeJS: fix: switch to direct TypeSyntax initialiser #1732

Job	Run time
check-bridgejs-generated	6m 12s
Build for native target (macos-15, Xcode_16.4)	44s
format	31s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	4m 54s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	4m 26s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	7m 6s
build-examples	12m 43s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 32s
deploy-examples	0s
	43m 8s

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