Open in app is not hiding on google maps website

[cuba]

Description:

The open in app dialogs and buttons are not hiding on google maps

Steps to Reproduce

1. Enable "Fanboy's Mobile Notifications List" Filter List (wait a moment for the engine to get recompiled)
2. Go to https://google.com/maps

Actual result:

"Open in app" popup and button is visible

Expected result:

"Open in app" popup and button should not appear

Reproduces how often: [Easily reproduced, Intermittent Issue]

Every time

Brave Version:

1.47

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

Device details:

Any

Website problems only:

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

Additional Information

Issue with certain css rules being invalid. Will need further investigation to find out why the invalid css rules are there but for now fixed by cathing with invalid css rules.

Inserting rule: :matches-path(/travel/hotels/) div[data-is-promoted="true"]{display:none !important;} failed: SyntaxError: The string did not match the expected pattern.
Inserting rule: :matches-path(/^/search\?.*tbm=shop/) html[itemtype$="/SearchResultsPage"] #cnt div[class^="_-L"][class*="sh-sr__"]{display:none !important;} failed: SyntaxError: The string did not match the expected pattern.

[Uni-verse]

Verification completed using 1.49 (23.3.31.9) on iPhone X running iOS 16.3.1

Scenario 1: FAILED

1. Install 1.49.x
2. Wait a few mins for scripts to load
3. Navigating to https://www.google.com/maps
4. Confirm popups are blocked

Example	Example

Created follow up issue: #7188