Introduce a feature flag for the new identity pinning violation notifications feature

[stefanceriu]

No description provided.

[github-actions]

	Warnings
⚠️	Please provide a description for this PR.
⚠️	Some of the commits are missing ticket numbers. Please consider squashing all commits that don't have a tracking number.
⚠️	You seem to have made changes to views. Please consider adding screenshots.

Generated by 🚫 Danger Swift against 442fac1

[pixlwave]

🚢 it!

[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 SonarCloud

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
840	2	838	0

View the full list of 2 ❄️ flaky tests

PreviewTests test_roomMemberDetailsScreen()

Flake rate in main: 16.40% (Passed 260 times, Failed 51 times)

Stack Traces | 2.38s run time

failed - Snapshot "Other User" does not match reference.

@−
"file:.../__Snapshots__/PreviewTests/test_roomMemberDetailsScreen-iPhone-16-pseudo.Other-User.png"
@+
"file:.../tmp/PreviewTests/test_roomMemberDetailsScreen-iPhone-16-pseudo.Other-User.png"

To configure output for a custom diff tool, use 'withSnapshotTesting'. For example:

    withSnapshotTesting(diffTool: .ksdiff) {
      // ...
    }

The percentage of pixels that match 0.8474121 is less than required 1.0
The lowest perceptual color precision 0.148125 is less than required 0.98 (.../PreviewTests/Sources/PreviewTests.swift:84)

PreviewTests test_joinRoomScreen()

Flake rate in main: 17.34% (Passed 224 times, Failed 47 times)

Stack Traces | 10.8s run time

failed - Snapshot "Unknown" does not match reference.

@−
"file:.../__Snapshots__/PreviewTests/test_joinRoomScreen-iPhone-16-en-GB.Unknown.png"
@+
"file:.../tmp/PreviewTests/test_joinRoomScreen-iPhone-16-en-GB.Unknown.png"

To configure output for a custom diff tool, use 'withSnapshotTesting'. For example:

    withSnapshotTesting(diffTool: .ksdiff) {
      // ...
    }

The percentage of pixels that match 0.9661255 is less than required 1.0
The lowest perceptual color precision 0.39999998 is less than required 0.98 (.../PreviewTests/Sources/PreviewTests.swift:84)

To view individual test run time comparison to the main branch, go to the Test Analytics Dashboard