fix: multiple bug fixes

isolated users, db backup, weird disconnect issues for long voice sessions,

e2e/pages/register.page.ts

@@ -43,8 +43,11 @@ export class RegisterPage {
 
   async register(username: string, displayName: string, password: string) {
     await this.usernameInput.fill(username);
+    await expect(this.usernameInput).toHaveValue(username);
     await this.displayNameInput.fill(displayName);
+    await expect(this.displayNameInput).toHaveValue(displayName);
     await this.passwordInput.fill(password);
+    await expect(this.passwordInput).toHaveValue(password);
     await this.submitButton.click();
   }
 }