[release/6.0] [wasm][debugger] Fixing error after receiving loaded_files = null#63739

safern merged 3 commits intodotnet:release/6.0dotnet/runtime:release/6.0from

thaystg:backport/pr-63591-to-release/6.0thaystg/runtime:backport/pr-63591-to-release/6.0Copy head branch name to clipboard