Simplify lab trial dispatch and fix per-jaw pricing

lib/core/services/pricing_service.dart

@@ -38,7 +38,6 @@ class PricingService {
   int billableUnitsForTeeth(ProstheticType type, Iterable<int> teeth) {
     final selected = teeth.toSet();
     if (selected.isEmpty) return billableUnitsForType(type, 0);
-    if (type.family == ProstheticFamily.hareketli) return 1;
 
     final upper = {
       for (int i = 11; i <= 18; i++) i,
@@ -49,6 +48,11 @@ class PricingService {
       for (int i = 41; i <= 48; i++) i,
     };
 
+    if (type.family == ProstheticFamily.hareketli) {
+      return (selected.any(upper.contains) ? 1 : 0) +
+          (selected.any(lower.contains) ? 1 : 0);
+    }
+
     var units = 0;
     final remaining = Set<int>.from(selected);
     if (upper.every(selected.contains)) {
@@ -67,7 +71,7 @@ class PricingService {
       ProstheticType.hareketli ||
       ProstheticType.tamProtez ||
       ProstheticType.parsiyel =>
-        'vaka',
+        'çene',
       _ => 'diş',
     };
   }