Fix the width of the share with input

* the ID of this has changed to #shareWith-viewNUMBER and shouldn't
  be used in CSS
* now uses the proper classes

apps/files_sharing/css/sharetabview.css

@@ -28,7 +28,7 @@
 	width: 94%;
 	margin-left: 0;
 }
-.shareTabView #shareWith {
+.shareTabView input[type="text"].shareWithField {
 	width: 80%;
 }