iOS 26: Fix tint color in context menus in Reader Subscriptions

[kean]

Fixes https://linear.app/a8c/issue/CMM-474/fix-tint-in-context-menus.

I also found an issue where "Notifications Settings" button wasn't working and fixed it.

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	28717
	Version	PR #24778
	Bundle ID	com.jetpack.alpha
	Commit	893bf08
	Installation URL	7nnf8ptdqmpoo

Automatticians: You can use our internal self-serve MC tool to give yourself access to those builds if needed.

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	28717
	Version	PR #24778
	Bundle ID	org.wordpress.alpha
	Commit	893bf08
	Installation URL	5k6fcr82rnmn8

Automatticians: You can use our internal self-serve MC tool to give yourself access to those builds if needed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud