crypto: Configure decryption trustRequirement based on config flag

[BillCarsonFr]

Pull Request Checklist

Depends on matrix-org/matrix-rust-sdk#4046

Part of https://github.com/element-hq/crypto-internal/issues/354

For now the new decryption errors will show as regular ones (waiting for this message), a following PR will fix that once the sdk has support for different UTD errors

• I read the contributing guide.
• Pull request contains a changelog label.
• Pull request includes a sign off.

UI changes have been tested with:

• iPhone and iPad simulators in portrait and landscape orientations.
• Dark mode enabled and disabled.
• Various sizes of dynamic type.
• Voiceover enabled.

[github-actions]

	Warnings
⚠️	Some of the commits are missing ticket numbers. Please consider squashing all commits that don't have a tracking number.
⚠️	Please add a sign-off to either the PR description or to the commits themselves.
⚠️	You seem to have made changes to views. Please consider adding screenshots.

Generated by 🚫 Danger Swift against 054a871

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
840	2	838	0

View the full list of 2 ❄️ flaky tests

PreviewTests test_loginScreen()

Flake rate in main: 30.69% (Passed 70 times, Failed 31 times)

Stack Traces | 4.34s run time

failed - Snapshot "matrix.org" does not match reference.

@−
"file:.../__Snapshots__/PreviewTests/test_loginScreen-iPhone-16-pseudo.matrix-org.png"
@+
"file:.../tmp/PreviewTests/test_loginScreen-iPhone-16-pseudo.matrix-org.png"

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

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

The percentage of pixels that match 0.8482666 is less than required 1.0
The lowest perceptual color precision 0.39937502 is less than required 0.98 (.../PreviewTests/Sources/PreviewTests.swift:84)

RoomScreenViewModelTests testPinnedEventsBanner()

Flake rate in main: 26.32% (Passed 98 times, Failed 35 times)

Stack Traces | 12.1s run time

Asynchronous wait failed: Exceeded timeout of 10 seconds, with unfulfilled expectations: "Awaiting publisher". (.../Sources/Extensions/XCTestCase.swift:43)

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

[pixlwave]

LGTM, just a small syntax nit included inline.

[sonarcloud]

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