prefix namespace on plugin setting container id MTC-28901 (#26)

Author: jamadam

plugins/SharedPreview/tmpl/shared_preview_setting.tmpl

@@ -1,6 +1,6 @@
 
 <mtapp:setting
-    id="password"
+    id="shared-preview-password"
     label="<__trans phrase="Password">"
     show_hint="1">
   <p><__trans phrase="Use basic Latin characters only."></p>