fix bug with workspace update

Signed-off-by: Oleksii Orel <oorel@redhat.com>

Author: olexii4

dashboard/src/app/workspaces/workspace-details/environments/machine-config/machine-config.controller.ts

@@ -252,9 +252,10 @@ export class WorkspaceMachineConfigController {
 
   /**
    * Change machine's source image
+   * @param {string} newImage
    */
-  changeSource(): void {
-    this.environmentManager.setSource(this.machine, this.newImage);
+  changeSource(newImage: string): void {
+    this.environmentManager.setSource(this.machine, newImage);
     this.doUpdateConfig();
   }
 

dashboard/src/app/workspaces/workspace-details/environments/machine-config/machine-config.html

@@ -47,7 +47,7 @@
                          ng-if="workspaceMachineConfigController.machineConfig.source.image">
       <ng-form flex name="workspaceMachineConfigForm" class="config-machine-source">
         <che-input-box ng-model="workspaceMachineConfigController.newImage"
-                       ng-change="workspaceMachineConfigController.changeSource()"
+                       che-on-change="workspaceMachineConfigController.changeSource($value)"
                        che-name="source"
                        che-place-holder="Image"
                        che-form="workspaceMachineConfigForm"