refactor: add required validation to quotation selection and enhance button disable logic in credit and debit note forms

src/pages/11_credit-note/expansion/CreditNoteExpansion.vue

@@ -44,8 +44,8 @@ const detail = defineModel<string>('detail');
         outlined
         dense
         class="col"
-        v-model="detail"
-        :rules="[(val: string) => !!val || $t('form.error.required')]"
+        :model-value="readonly ? detail || '-' : detail"
+        @update:model-value="(v) => (detail = v?.toString())"
       ></q-input>
     </main>
   </q-expansion-item>