Browser crash when trying to quickly change accounts/networks

[srirambv]

Description:

Browser crash when trying to quickly change accounts/networks

Steps to Reproduce

Follow steps from #7622 on iPad with iOS 16.6 Beta

Actual result:

Browser crash

Expected result:

No crash

Reproduces how often: [Easily reproduced, Intermittent Issue]

Happened once

Brave Version:

1.56 (23.7.19.18)

• Can you reproduce this issue with the most recent build from TestFlight? Yes
• Can you reproduce this issue with the previous version of the current build from TestFlight? NA
• Can you reproduce this issue with the current build from AppStore? NA

Device details:

iPad Pro (iOS 16.6)

Website problems only:

• did you check with Brave Shields down? NA
• did you check in Safari/Firefox (WkWebView-based browsers)? NA

Additional Information

cc: @StephenHeaps @nuo-xu