Update prettier settings

Author: Ives van Hoorne

packages/app/src/app/pages/Sandbox/Editor/Content/index.js

@@ -27,7 +27,9 @@ const settings = store =>
     vimMode: store.preferences.settings.vimMode,
     lintEnabled: store.preferences.settings.lintEnabled,
     codeMirror: store.preferences.settings.codeMirror,
-    tabWidth: store.preferences.settings.tabSize || 2,
+    tabWidth: store.preferences.settings.prettierConfig
+      ? store.preferences.settings.prettierConfig.tabWidth || 2
+      : 2,
   }: Settings);
 
 type Props = {

packages/app/src/app/pages/common/Modals/PreferencesModal/CodeFormatting/Prettier/index.js

@@ -88,7 +88,7 @@ function Prettier({ store, signals }) {
           title="Trailing commas"
           type="dropdown"
           options={['none', 'es5', 'all']}
-          {...bindValue('traillingComma')}
+          {...bindValue('trailingComma')}
         />
         <SubDescription>
           Print trailing commas wherever possible.