Get rid of this.disposers while registering stuff in extensions (#1148)

Signed-off-by: Roman <ixrock@gmail.com>

extensions/pod-menu/renderer.tsx

@@ -1,31 +1,23 @@
-import { Registry, LensRendererExtension } from "@k8slens/extensions";
-import { PodShellMenu } from "./src/shell-menu"
-import { PodLogsMenu } from "./src/logs-menu"
+import { LensRendererExtension } from "@k8slens/extensions";
+import { PodShellMenu, PodShellMenuProps } from "./src/shell-menu"
+import { PodLogsMenu, PodLogsMenuProps } from "./src/logs-menu"
 import React from "react"
 
 export default class PodMenuRendererExtension extends LensRendererExtension {
-  async onActivate() {
-    console.log("pod-menu extension activated")
-  }
-
-  registerKubeObjectMenus(registry: Registry.KubeObjectMenuRegistry) {
-    this.disposers.push(
-      registry.add({
-        kind: "Pod",
-        apiVersions: ["v1"],
-        components: {
-          MenuItem: (props) => <PodShellMenu {...props} />
-        }
-      })
-    )
-    this.disposers.push(
-      registry.add({
-        kind: "Pod",
-        apiVersions: ["v1"],
-        components: {
-          MenuItem: (props) => <PodLogsMenu {...props} />
-        }
-      })
-    )
-  }
+  kubeObjectMenuItems = [
+    {
+      kind: "Pod",
+      apiVersions: ["v1"],
+      components: {
+        MenuItem: (props: PodShellMenuProps) => <PodShellMenu {...props} />
+      }
+    },
+    {
+      kind: "Pod",
+      apiVersions: ["v1"],
+      components: {
+        MenuItem: (props: PodLogsMenuProps) => <PodLogsMenu {...props} />
+      }
+    }
+  ]
 }