fix: show only user-typed notes on appointment card

Remove auto-appending of "Appointment with [staff name]" to notes on
save, and preserve existing notes when dragging an appointment to a
new slot.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/Frontend/src/components/appointments/appointment-form.tsx

@@ -265,7 +265,7 @@ export function AppointmentForm({
       title = format(data.date, "MMMM d");
     }
 
-    let notes = data.notes || "";
+    const notes = data.notes || "";
 
     const selectedStaff =
       staffMembers.find((staff) => staff.id?.toString() === data.staffId) ||
@@ -273,14 +273,7 @@ export function AppointmentForm({
 
     if (!selectedStaff) {
       console.error("No staff selected and no available staff in the list");
-      return; // Handle this case as well
-    }
-
-    // If there's no staff information in the notes, add it
-    if (!notes.includes("Appointment with")) {
-      notes = notes
-        ? `${notes}\nAppointment with ${selectedStaff?.name}`
-        : `Appointment with ${selectedStaff?.name}`;
+      return;
     }
 
     const formattedDate = formatLocalDate(data.date);