Release v1.2.2: Backward compatibility for v1.2.0 users

- Added dual-mode download for server restore
- Scans both /notes/ (new) and Root (old v1.2.0) folders
- Normal sync only uses /notes/ for performance
- Fixed URL construction bugs
- Updated F-Droid changelogs

fastlane/metadata/android/de-DE/changelogs/7.txt

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+v1.2.2 - Rückwärtskompatibilität für v1.2.0 User
+
+Kritische Fehlerbehebung
+• Server-Wiederherstellung findet jetzt ALLE Notizen (Root + /notes/)
+• User die von v1.2.0 upgraden verlieren keine Daten mehr
+• Alte Notizen aus Root-Ordner werden beim Restore gefunden
+
+Technische Details
+• Dual-Mode Download nur bei Server-Restore aktiv
+• Normale Syncs bleiben schnell (scannen nur /notes/)
+• Automatische Deduplication verhindert Duplikate
+• Sanfte Migration: Neue Uploads gehen in /notes/, alte bleiben lesbar

fastlane/metadata/android/en-US/changelogs/7.txt

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+v1.2.2 - Backward Compatibility for v1.2.0 Users
+
+Critical Bugfix
+• Server restore now finds ALL notes (Root + /notes/)
+• Users upgrading from v1.2.0 no longer lose data
+• Old notes from Root folder are found during restore
+
+Technical Details
+• Dual-mode download only active for server restore
+• Normal syncs remain fast (scan only /notes/)
+• Automatic deduplication prevents duplicates
+• Smooth migration: New uploads go to /notes/, old ones remain readable