Show abort button during active bulk migration search

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased] (Preview)
 
+### Changed
+
+- (**Migration**) Show "abort" button during active bulk migration search
+
 ### Fixed
 
 - (**Migration**) Fix aborting bulk migration search/execution while webUI is served on a subpath

src/features/migration/screens/MigrationSearch.tsx

@@ -127,9 +127,13 @@ export const MigrationSearch = () => {
                 />
             </Stack>
             <MigrationContinueButton
-                title={t`Start migration`}
+                title={!isSearchComplete || !hasMigratableEntries ? `Abort` : t`Start migration`}
-                isDisabled={!isSearchComplete || !hasMigratableEntries}
                 onClick={async () => {
+                    if (!isSearchComplete || !hasMigratableEntries) {
+                        await MigrationManager.abort('User aborted search');
+                        return;
+                    }
+
                     try {
                         const options = await AwaitableComponent.show(MigrationOptionsDialog);
                         await MigrationManager.startMigration(options);