Hook up the Reset flow to Verification when there is no recovery or other devices.

[pixlwave]

This PR makes the following changes:

• Show a Reset button on KeyVerificationSelfVerifyWaitViewController when verifying your own device and there isn't any other devices, nor a recovery set up. This button comes straight from SecretsRecoveryWithPassphraseViewController so matches the style used elsewhere in the app. Fixes the blank view issue.
• Fix the presentation of re-authentication from SecretsResetViewModel in the same way that #7874 was implemented. Fixes Unable to reset password on log in #7921.
• Fix a bug from #7874 where tapping the web view's close button would just re-present authentication over and over.

Additionally I've made a change to re-authentication presentation in a second commit as the user had to swipe the MAS screen away (the close button didn't work).

• Fix ReauthenticationCoordinator not dismissing the fallback view controller automatically: The password's UI alert controller does this automatically, so it makes sense to do the same with the fallback controller. I've added some guards on the bridge presenter to make sure that dismiss only works when something is presented as a safety measure.

Video of this in action when used on top of #8023

Simulator.Screen.Recording.-.iPhone.17.-.2026-04-29.at.10.21.52.mov

[codecov]

Codecov Report

❌ Patch coverage is 0% with 91 lines in your changes missing coverage. Please review.
✅ Project coverage is 15.17%. Comparing base (5ae455e) to head (e71bfc6).
⚠️ Report is 10 commits behind head on develop.

Files with missing lines	Patch %	Lines
.../Modules/Secrets/Reset/SecretsResetViewModel.swift	0.00%	21 Missing ⚠️
...rification/Common/KeyVerificationCoordinator.swift	0.00%	15 Missing ⚠️
.../KeyVerificationSelfVerifyWaitViewController.swift	0.00%	15 Missing ⚠️
...n/ReauthenticationCoordinatorBridgePresenter.swift	0.00%	10 Missing ⚠️
...Reauthentication/ReauthenticationCoordinator.swift	0.00%	9 Missing ⚠️
...les/Secrets/Reset/SecretsResetViewController.swift	0.00%	7 Missing ⚠️
...odules/Secrets/Reset/SecretsResetCoordinator.swift	0.00%	6 Missing ⚠️
...ssSigning/Setup/CrossSigningSetupCoordinator.swift	0.00%	4 Missing ⚠️
...ait/KeyVerificationSelfVerifyWaitCoordinator.swift	0.00%	2 Missing ⚠️
...yWait/KeyVerificationSelfVerifyWaitViewModel.swift	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #8024      +/-   ##
===========================================
+ Coverage    14.18%   15.17%   +0.99%     
===========================================
  Files         1815     1815              
  Lines       173949   119467   -54482     
  Branches     73699    47801   -25898     
===========================================
- Hits         24675    18130    -6545     
+ Misses      148603   100666   -47937     
  Partials       671      671              

Flag	Coverage Δ
uitests	49.62% <ø> (-1.01%)	⬇️
unittests	8.79% <0.00%> (+0.41%)	⬆️

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