Adds small timeout to restart server API call

Fixes typo in translation description for video cropping

backend/app.js

@@ -1583,7 +1583,8 @@ app.post('/api/setConfig', optionalJwt, function(req, res) {
 });
 
 app.post('/api/restartServer', optionalJwt, (req, res) => {
-    restartServer();
+    // delayed by a little bit so that the client gets a response
+    setTimeout(() => {restartServer()}, 100);
     res.send({success: true});
 });
 

src/assets/i18n/messages.en.xlf

@@ -252,7 +252,7 @@
           <context context-type="sourcefile">src/app/main/main.component.html</context>
           <context context-type="linenumber">159</context>
         </context-group>
-        <note priority="1" from="description">Crom from placeholder</note>
+        <note priority="1" from="description">Crop from placeholder</note>
       </trans-unit>
       <trans-unit id="661206c3ab91fa81e9d8b40afb29f1866b78432f" datatype="html">
         <source>Crop to (seconds)</source>