Refactor UI components and convert controls to select elements

- Extract InfoBox component for reusable alert boxes
- Update AccountForm to use InfoBox component
- Add InfoBox with explanatory text to tenant sections in LocationEditForm
- Convert billFwdStrategy from radio buttons to select element
- Convert updateScope from radio buttons to select element
- Update localization strings for improved clarity
- Fix updateScope defaultValue to use "current" instead of billFwdStrategy

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

messages/en.json

@@ -125,24 +125,26 @@
     "location-name-placeholder": "Realestate name",
     "notes-placeholder": "Notes",
     "tenant-2d-code-legend": "TENANT 2D CODE",
+    "tenant-2d-code-info": "2D barcode allows the tenant to quickly and easily pay the amount they owe you for paid utility bills to your IBAN. The barcode will be displayed when the tenant opens the link to the statement for the given month.",
     "tenant-2d-code-toggle-label": "generate 2d code",
     "tenant-first-name-label": "Tenant First Name",
     "tenant-first-name-placeholder": "Enter tenant's first name",
     "tenant-last-name-label": "Tenant Last Name",
     "tenant-last-name-placeholder": "Enter tenant's last name",
     "auto-utility-bill-forwarding-legend": "AUTOMATIC UTILITY BILL FORWARDING",
+    "auto-utility-bill-forwarding-info": "This option enables automatic forwarding of utility bills to the tenant via email according to the selected forwarding strategy.",
     "auto-utility-bill-forwarding-toggle-label": "forward utility bills",
     "tenant-email-label": "Tenant Email",
     "tenant-email-placeholder": "Enter tenant's email",
     "utility-bill-forwarding-strategy-label": "Forward utility bills when ...",
-    "utility-bill-forwarding-when-payed": "all bills are marked as paid",
+    "utility-bill-forwarding-when-payed": "all items are marked as paid",
     "utility-bill-forwarding-when-attached": "a bill (PDF) is attached to all items",
     "warning-missing-tenant-names": "Warning: Tenant first and last name are missing. The 2D barcode will not be displayed to the tenant when they open the shared link until both fields are filled in.",
     "save-button": "Save",
     "cancel-button": "Cancel",
     "delete-tooltip": "Delete realestate",
     "add-to-subsequent-months": "Add to all subsequent months",
-    "update-scope": "Update scope:",
+    "update-scope": "Which records do you want to update?",
     "update-current-month": "current month only",
     "update-subsequent-months": "current and all future months",
     "update-all-months": "all months",