fix: Avoid saving the draft to the wrong mailbox when switching the mailbox

[tevincent]

No description provided.

[Copilot]

Copilot review overview

🟡 Changes recommended

Realm selection in NewMessageViewModel can still race with account switching and save a draft under the previous user.

Review effort: Balanced
Findings: 1

Open (1)

• Resolve draft Realm using explicit user and mailbox IDs · New

What changed in this PR

Targets draft persistence and processing at the mailbox explicitly associated with each draft.

Changes:

• Opens mailbox-specific Realm instances for draft creation and workers.
• Refactors draft queries to accept explicit Realm instances.
• Adds worker coverage for mailbox switching.

File	Description
MailActionsManager.kt	Uses the worker’s targeted Realm.
DraftsActionsWorker.kt	Opens Realm using work input IDs.
NewMessageViewModel.kt	Selects a Realm for the draft mailbox.
RealmDatabase.kt	Restricts implicit current-mailbox Realm creation.
DraftController.kt	Exposes Realm-specific draft operations.
MailActionsManagerTest.kt	Updates calls for refactored APIs.
DraftsActionsWorkerTest.kt	Tests targeted-mailbox draft processing.

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[Copilot]

Copilot review overview

🟢 Approval recommended

Explicit mailbox targeting is consistently applied and covered by a focused regression test.

Review effort: Balanced
Findings: None

Resolved since last review (1)

• Resolve draft Realm using explicit user and mailbox IDs

[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