fix(update): verify and apply the actual latest version

src/main/app-controller.ts

@@ -895,17 +895,13 @@ export class AppController {
       this.lastUpdateCheckAt = Date.now();
     }
     return result;
-  }
-
-  public async installUpdate(onProgress?: (progress: UpdateInstallProgress) => void): Promise<UpdateInstallResult> {
-    const cacheAgeMs = Date.now() - this.lastUpdateCheckAt;
-    const cached = this.lastUpdateCheck && !this.lastUpdateCheck.error && cacheAgeMs <= 10 * 60 * 1000
-      ? this.lastUpdateCheck
-      : undefined;
-    const result = await runInstallWithResume(
-      this.manager,
-      () => installLatestUpdate(this.settings.updateRepo, cached, onProgress)
-    );
+  }
+
+  public async installUpdate(onProgress?: (progress: UpdateInstallProgress) => void): Promise<UpdateInstallResult> {
+    const result = await runInstallWithResume(
+      this.manager,
+      () => installLatestUpdate(this.settings.updateRepo, undefined, onProgress)
+    );
     if (result.started) {
       this.lastUpdateCheck = null;
       this.lastUpdateCheckAt = 0;