chore: Fix pre-commit hooks for filenames with spaces, on Windows (#2622)

* Add quotes around {staged_files}.

Suggested by @claremacrae ; tested and confirmed to fix pre-commit fatal error.

* refactor: Convert back to Unix line-endings, as per original

Author: therden

lefthook.yml

@@ -15,10 +15,10 @@ pre-commit:
   commands:
     lint:
       glob: '*.ts'
-      run: yarn lint {staged_files} && git add {staged_files}
+      run: yarn lint "{staged_files}" && git add "{staged_files}"
     lint-markdown:
       glob: '*.md'
-      run: yarn lint:markdown && git add {staged_files}
+      run: yarn lint:markdown && git add "{staged_files}"
     test:
       glob: '*.ts'
-      run: yarn test {staged_files} --findRelatedTests --passWithNoTests
+      run: yarn test "{staged_files}" --findRelatedTests --passWithNoTests