BridgeJS: Fix enumHelper availability #1883

Job	Run time
format	31s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	5m 49s
check-bridgejs-generated	5m 23s
build-examples	11m 54s
Build for native target (macos-15, Xcode_16.4)	54s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	5m 30s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	4m 57s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	5m 53s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 35s
deploy-examples	0s
	47m 26s

Provide feedback