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

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

extensions/support-page/main.ts

@@ -1,20 +1,14 @@
-import { LensMainExtension, Registry, windowManager } from "@k8slens/extensions";
+import { LensMainExtension, windowManager } from "@k8slens/extensions";
 import { supportPageURL } from "./src/support.route";
 
 export default class SupportPageMainExtension extends LensMainExtension {
-  async onActivate() {
-    console.log("support page extension activated")
-  }
-
-  async registerAppMenus(registry: Registry.MenuRegistry) {
-    this.disposers.push(
-      registry.add({
-        parentId: "help",
-        label: "Support",
-        click() {
-          windowManager.navigate(supportPageURL());
-        }
-      })
-    )
-  }
+  appMenus = [
+    {
+      parentId: "help",
+      label: "Support",
+      click() {
+        windowManager.navigate(supportPageURL());
+      }
+    }
+  ]
 }

extensions/support-page/renderer.tsx

@@ -1,39 +1,31 @@
 import React from "react";
-import { Component, LensRendererExtension, Navigation, Registry } from "@k8slens/extensions";
+import { Component, LensRendererExtension, Navigation } from "@k8slens/extensions";
 import { supportPageRoute, supportPageURL } from "./src/support.route";
 import { Support } from "./src/support";
 
 export default class SupportPageRendererExtension extends LensRendererExtension {
-  async onActivate() {
-    console.log("support page extension activated")
-  }
+  globalPages = [
+    {
+      ...supportPageRoute,
+      url: supportPageURL(),
+      hideInMenu: true,
+      components: {
+        Page: Support,
+      }
+    }
+  ]
 
-  registerGlobalPage(registry: Registry.GlobalPageRegistry) {
-    this.disposers.push(
-      registry.add({
-        ...supportPageRoute,
-        url: supportPageURL(),
-        hideInMenu: true,
-        components: {
-          Page: Support,
-        }
-      })
-    )
-  }
-
-  registerStatusBarItem(registry: Registry.StatusBarRegistry) {
-    this.disposers.push(
-      registry.add({
-        item: (
-          <div
-            className="flex align-center gaps hover-highlight"
-            onClick={() => Navigation.navigate(supportPageURL())}
-          >
-            <Component.Icon material="help_outline" small />
-            <span>Support</span>
-          </div>
-        )
-      })
-    )
-  }
+  statusBarItems = [
+    {
+      item: (
+        <div
+          className="flex align-center gaps hover-highlight"
+          onClick={() => Navigation.navigate(supportPageURL())}
+        >
+          <Component.Icon material="help_outline" small/>
+          <span>Support</span>
+        </div>
+      )
+    }
+  ]
 }