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} />
+      }
+    }
+  ]
 }

extensions/pod-menu/src/logs-menu.tsx

@@ -1,10 +1,10 @@
 import React from "react";
 import { Component, K8sApi, Util, Navigation } from "@k8slens/extensions";
 
-interface Props extends Component.KubeObjectMenuProps<K8sApi.Pod> {
+export interface PodLogsMenuProps extends Component.KubeObjectMenuProps<K8sApi.Pod> {
 }
 
-export class PodLogsMenu extends React.Component<Props> {
+export class PodLogsMenu extends React.Component<PodLogsMenuProps> {
   showLogs(container: K8sApi.IPodContainer) {
     Navigation.hideDetails();
     const pod = this.props.object;

extensions/pod-menu/src/shell-menu.tsx

@@ -3,10 +3,10 @@
 import React from "react";
 import { Component, K8sApi, Util, Navigation } from "@k8slens/extensions";
 
-interface Props extends Component.KubeObjectMenuProps<K8sApi.Pod> {
+export interface PodShellMenuProps extends Component.KubeObjectMenuProps<K8sApi.Pod> {
 }
 
-export class PodShellMenu extends React.Component<Props> {
+export class PodShellMenu extends React.Component<PodShellMenuProps> {
   async execShell(container?: string) {
     Navigation.hideDetails();
     const { object: pod } = this.props