LT-67: Creating default custom validatior for empty strings

Packages/lesiontracker/client/components/serverInformation/serverInformationForm/serverInformationForm.html

@@ -6,7 +6,8 @@
                 {{>inputText labelClass='form-group' key='name'}}
             </div>
             <div class="col-lg-6">
-                {{>inputSelect labelClass='form-group' key='type' hideSearch=true
+                {{>inputSelect labelClass='form-group' key='type'
+                    hideSearch=true disabled=(eq this.mode.get 'edit')
                     options=(clone placeholder='Choose a server type...')}}
             </div>
         </div>