BridgeJS: Fix issues exporting nested types #2751

Job	Run time
format	38s
prettier	13s
Test BridgeJS against Swift versions (swift:6.3, 603.0.0)	3m 2s
Build for native target (macos-15, Xcode_26.0.1)	3m 43s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	15m 14s
check-bridgejs-generated	3m 26s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	12m 39s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	19m 35s
build-examples (Multithreading)	10m 23s
build-examples (Embedded)	9m 57s
build-examples (OffscrenCanvas)	9m 52s
build-examples (ActorOnWebWorker)	10m 16s
build-examples (PlayBridgeJS)	11m 59s
build-examples (Basic)	9m 51s
build-examples-deploy	0s
deploy-examples	-1s
	2h 0m 47s

Provide feedback