feat : ajout d'un champ commentaire sur les contrats + correction de plusieurs bugs

frontend/components/ui/TimeSelect.vue

@@ -167,8 +167,9 @@ const closeMenu = () => {
 
 const commitInput = () => {
   const normalized = normalizeTypedTime(inputValue.value)
-  if (normalized === null) {
-    inputValue.value = props.modelValue
+  if (normalized === null || (normalized !== '' && !timeSlots.value.includes(normalized))) {
+    emit('update:modelValue', '')
+    inputValue.value = ''
     closeMenu()
     return
   }