fix(plugins/plugin-kubectl): kubernetes CurrentContext widget may display as empty

Fixes #6392

Author: starpit

plugins/plugin-kubectl/components/src/CurrentContext.tsx

@@ -169,7 +169,10 @@ export default class CurrentContext extends React.PureComponent<{}, State> {
   }
 
   public render() {
-    // FIXME disable the on-hover effect with the icon
+    if (this.state.allContexts.length === 0) {
+      return <React.Fragment />
+    }
+
     return (
       <DropdownWidget
         position="left"

plugins/plugin-kubectl/components/src/CurrentNamespace.tsx

@@ -147,7 +147,6 @@ export default class CurrentNamespace extends React.PureComponent<{}, State> {
   }
 
   public render() {
-    // FIXME disable the on-hover effect with the icon
     if (this.state.allNamespaces.length === 0) {
       return <React.Fragment />
     }