feat: avatar popup options, profile redesign, and search dosage parsing

- Added avatar selection popup with predefined avatar options
- Redesigned ProfileView (web + mobile) with avatar upload and editable fields
- Added AvatarSelectionModal for mobile profile
- Fixed medicine search: parse dosage terms (e.g. 'Paracetamol 1G')
  to query CIMA only by name and filter by dosage field
- Updated styles for profile, search, and medicine results

apps/frontend/src/components/MedicineResults.css

@@ -3,12 +3,18 @@
   grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
   gap: 1rem;
   margin-top: 0.5rem;
-  max-height: 60vh;
+  max-height: 70vh;
   overflow-y: auto;
   overscroll-behavior: contain;
   animation: fadeInUp 0.5s ease-out;
 }
 
+@media (min-width: 1024px) {
+  .medicine-results {
+    max-height: 76vh;
+  }
+}
+
 .medicine-card {
   background: var(--surface-container-lowest);
   border-radius: var(--radius-md);