BridgeJS: Use shared decodeString for JSTypedClosure error path (#696) #2462

Job	Run time
prettier	11s
check-bridgejs-generated	2m 50s
Build for native target (macos-15, Xcode_16.4)	2m 25s
format	33s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	17m 5s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	13m 13s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	13m 25s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	12m 52s
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	3m 7s
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	3m 4s
build-examples	19m 56s
deploy-examples	9s
	1h 28m 50s

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