added number validation in embed overlay

src/Umbraco.Web.UI.Client/src/views/common/overlays/embed/embed.html

@@ -2,7 +2,7 @@
 
  <umb-control-group label="@general_url">
  <input id="url" class="umb-editor input-block-level" type="text" style="margin-bottom: 10px;" ng-model="model.embed.url" ng-keyup="$event.keyCode == 13 ? vm.showPreview() : null" required />
- <input type="button" ng-click="vm.showPreview()" class="btn" localize="value" value="@general_retrieve" />
+ <input type="button" ng-click="vm.showPreview()" class="btn" value="@general_retrieve" localize="value" />
  </umb-control-group>
 
  <umb-control-group>
@@ -12,15 +12,15 @@
 
  <div ng-show="model.embed.supportsDimensions">
  <umb-control-group label="@general_width">
-  <input type="text" ng-model="model.embed.width" on-blur="vm.changeSize('width')" />
+ <input type="number" pattern="[0-9]*" min="0" ng-model="model.embed.width" on-blur="vm.changeSize('width')" />
  </umb-control-group>
 
  <umb-control-group label="@general_height">
- <input type="text" ng-model="model.embed.height" on-blur="vm.changeSize('height')" />
+ <input type="number" pattern="[0-9]*" min="0" ng-model="model.embed.height" on-blur="vm.changeSize('height')" />
  </umb-control-group>
 
  <umb-control-group label="@general_constrain">
- <input id="constrain" type="checkbox" ng-model="model.embed.constrain" />
+  <input id="constrain" type="checkbox" ng-model="model.embed.constrain" />
  </umb-control-group>
  </div>