Fix conditional sub-selections in raw response type #510

Job	Run time
Rust Tests (ubuntu-latest)	5m 52s
JS Lint	51s
Compiler output check (ubuntu-latest)	4m 41s
Rust Tests (macos-latest)	3m 31s
Build Rust Compiler (ubuntu-latest)	4m 5s
Compiler output check (macos-latest)	2m 50s
Rust Tests (windows-latest)	7m 11s
JS Tests (Node 14.x)	1m 23s
Build Rust Compiler (ubuntu-latest)	5m 21s
JS Tests (Node 16.x)	1m 34s
Build Rust Compiler (macos-latest)	2m 44s
Rust Lint	19s
Flow Typecheck	29s
Build Rust Compiler (macos-latest)	2m 37s
VSCode Extension Lint	37s
Build Rust Compiler (windows-latest)	6m 27s
Publish to NPM	0s
	50m 32s

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