gui: Reformat HTML & JS for consistent white space

(white space only change)

gui/default/syncthing/device/idqrModalView.html

@@ -1,7 +1,7 @@
 <modal id="idqr" status="info" icon="fas fa-qrcode" heading="{{'Device Identification' | translate}} - {{deviceName(currentDevice)}}" large="yes" closeable="yes">
   <div class="modal-body">
     <div class="well well-sm text-monospace text-center" select-on-click>{{currentDevice.deviceID}}</div>
-    <img ng-if="currentDevice.deviceID" class="center-block img-thumbnail" ng-src="qr/?text={{currentDevice.deviceID}}" alt="qr code"/>
+    <img ng-if="currentDevice.deviceID" class="center-block img-thumbnail" ng-src="qr/?text={{currentDevice.deviceID}}" alt="qr code" />
   </div>
   <div class="modal-footer">
     <button type="button" class="btn btn-default btn-sm" data-dismiss="modal">