Run eslint --fix

Fixing 1000s of lint issues. Some rules cannot be `--fix`ed but this goes some way to linting the entire codebase.

src/autocomplete/Autocompleter.js

@@ -45,7 +45,7 @@ const PROVIDERS = [
     EmojiProvider,
     CommandProvider,
     DuckDuckGoProvider,
-].map(completer => completer.getInstance());
+].map((completer) => completer.getInstance());
 
 // Providers will get rejected if they take longer than this.
 const PROVIDER_COMPLETION_TIMEOUT = 3000;