try to reenable vmcreate after delete action

app/UI/Vms/Pages/VmsDataTable.php

@@ -66,6 +66,8 @@ class VmsDataTable extends DataTable implements ClientArea, AdminArea
             $createButton->setIcon('lu-zmdi lu-zmdi-plus');
             $createButton->replaceClasses(['lu-btn lu-btn--primary']);
             $this->addTitleButton($createButton);
+            $this->createSidebar = sl("sidebar")->getSidebar("virtualMachinesProxmoxCloudVps")->getChild("vmcreate");
+            $this->createButton = $createButton;
         }
         //import
         if($isAdmin){
@@ -108,9 +110,14 @@ class VmsDataTable extends DataTable implements ClientArea, AdminArea
         if($resurceManager->disk()->free() < $resurceManager->disk()->getMin() || $resurceManager->vcpus()->free() < $resurceManager->vcpus()->getMin() || $resurceManager->memory()->free() < $resurceManager->memory()->getMin()) {
 //            $this->createButton->addHtmlAttribute("disabled",true);
             //delete sidebar button
-            sl("sidebar")->getSidebar("virtualMachinesProxmoxCloudVps")->getChild("vmcreate")->delete();
+            if (sl("sidebar")->getSidebar("virtualMachinesProxmoxCloudVps")->getChild("vmcreate")) {
+                sl("sidebar")->getSidebar("virtualMachinesProxmoxCloudVps")->getChild("vmcreate")->delete();
+            }
         } else {
-//            $this->createButton->addHtmlAttribute("enabled",true);
+            if (!sl("sidebar")->getSidebar("virtualMachinesProxmoxCloudVps")->getChild("vmcreate")) {
+                sl("sidebar")->getSidebar("virtualMachinesProxmoxCloudVps")->add($this->createSidebar);
+            }
+            //            $this->createButton->addHtmlAttribute("enabled",true);
         }
     }