[webcompat]Doesn't expand the menu on townwork.net

[A-t-s-u-s-h-i]

Transcribed from https://bravesoftware.slack.com/archives/C2FQMN4AD/p1687256665777509

Description:

This is an iOS App Store review from a Japanese user. the page below has some search option. But Brave iOS won’t expand the menu. other iOS browsers work, and Brave Android also works. It worked after disabling shields.The issue only happens on Brave iOS.

https://townwork.net/tokyo/areaSelect/#

Steps to Reproduce

1. Access https://townwork.net/tokyo/areaSelect/#
2. Tap menu, but nothing happens
3. Disable Shields, then menu opens

Actual result:

https://github.com/brave/brave-ios/assets/79502386/9a521507-ba72-488c-ae16-eb496f7210f4

Expected result:

Menu will be expanded

Reproduces how often: [Easily reproduced, Intermittent Issue]

Easily reproduced

Brave Version:

• 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? Yes
• Can you reproduce this issue with the current build from AppStore? Yes

Device details:

iPhone13

Website problems only:

• did you check with Brave Shields down? It worked after Disabling Shields.

• did you check in Safari/Firefox (WkWebView-based browsers)? It works fine on Safari and Firefox.

[ryanbr]

On desktop we have an exisiting exception filter rule @@||townwork.net/js/appmeasurement.js is this the fix needed? I tied adding a custom filter list rule; https://pastebin.com/raw/mRH8MSgq but that didn't help