fix(modals) Fixing DOM issues with modals

Packages/ohif-core/client/components/bootstrap/dialog/confirm.html

@@ -1,7 +1,7 @@
 <template name="dialogConfirm">
-    {{>dialogForm (extend this
+    {{#dialogForm (extend this
         dialogClass='modal-sm'
         title=(choose this.title 'Confirmation')
-        message=(choose this.message 'Are you sure you want to perform this action?')
-    )}}
+        message=(valueIf UI.contentBlock '' (choose this.message 'Are you sure you want to perform this action?'))
+    )}}{{>UI.contentBlock}}{{/dialogForm}}
 </template>

Packages/ohif-core/client/components/bootstrap/dialog/simple.js

@@ -7,8 +7,7 @@ Template.dialogSimple.onCreated(() => {
     const instance = Template.instance();
 
     instance.close = () => {
-        const $modal = instance.$('.modal');
-        $modal.one('hidden.bs.modal', () => instance.data.promiseResolve()).modal('hide');
+        instance.$('.modal').modal('hide');
     };
 
     // Automatically close the modal if a timeout value was given
@@ -31,6 +30,9 @@ Template.dialogSimple.onRendered(() => {
     // Create the bootstrap modal
     $modal.modal(modalOptions);
 
+    // Resolve the promise as soon as the modal is closed
+    $modal.one('hidden.bs.modal', () => instance.data.promiseResolve());
+
     let position = instance.data.position;
 
     const { event } = instance.data;