WIP: corrections multiples formulaires et sérialisation

- Fix constructeurUtils: réordonner delete/add pour sauvegarder les fournisseurs
- Fix prix/supplierPrice: envoyer en string pour DECIMAL Doctrine
- Fix useMachineTypesApi: normaliser les requirements et forceRefresh
- Fix SearchSelect: watch deep sur baseOptions
- Debug logs temporaires pour pieceRequirements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/components/common/SearchSelect.vue

@@ -184,11 +184,13 @@ watch(
 
 watch(
   baseOptions,
-  () => {
-    if (!openDropdown.value) {
-      searchTerm.value = selectedOption.value ? resolveLabel(selectedOption.value) : searchTerm.value
+  (newOptions) => {
+    console.log('[SearchSelect] baseOptions changed, count:', newOptions.length, 'modelValue:', props.modelValue, 'selectedOption:', selectedOption.value?.id)
+    if (!openDropdown.value && selectedOption.value) {
+      searchTerm.value = resolveLabel(selectedOption.value)
     }
-  }
+  },
+  { deep: true }
 )
 
 watch(openDropdown, (isOpen) => {