Avoid setting is_parsing_async flag unless spawning a background thread
Avoid setting is_parsing_async flag unless spawning a background thread

tree-sitter/node-tree-sitter,maxbrunsfeld/node-tree-sitter,tree-sitter/node-tree-sitter,maxbrunsfeld/node-tree-sitter,tree-sitter/node-tree-sitter,maxbrunsfeld/node-tree-sitter