Add analytics tracking for URL previews (#32659)

* Add analytics tracking.

* fix import

* fix other import too

* fixup type

* Add test case

* Add better testing

* make it happier

* update lock

apps/web/src/PosthogAnalytics.ts

@@ -164,7 +164,9 @@ export class PosthogAnalytics {
         dis.register(this.onAction);
         SettingsStore.monitorSetting("layout", null);
         SettingsStore.monitorSetting("useCompactLayout", null);
+        SettingsStore.monitorSetting("urlPreviewsEnabled", null);
         this.onLayoutUpdated();
+        this.onUrlPreviewSettingUpdated(SettingsStore.getValue("urlPreviewsEnabled"));
         this.updateCryptoSuperProperty();
     }
 
@@ -188,11 +190,17 @@ export class PosthogAnalytics {
         this.setProperty("WebLayout", layout);
     };
 
+    private readonly onUrlPreviewSettingUpdated = (value: boolean): void => {
+        this.setProperty("URLPreviewsEnabled", value);
+    };
+
     private onAction = (payload: ActionPayload): void => {
         if (payload.action !== Action.SettingUpdated) return;
         const settingsPayload = payload as SettingUpdatedPayload;
         if (["layout", "useCompactLayout"].includes(settingsPayload.settingName)) {
             this.onLayoutUpdated();
+        } else if (settingsPayload.settingName === "urlPreviewsEnabled" && !settingsPayload.roomId) {
+            this.onUrlPreviewSettingUpdated(settingsPayload.newValue as boolean);
         }
     };