refactor(task) : suppression du bouton « Lier un mail » et de MailPickerModal

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/components/task/TaskModal.vue

@@ -481,26 +481,6 @@
                                 </NuxtLink>
                             </div>
 
-                            <!-- Bouton lier un mail -->
-                            <div class="pt-2">
-                                <MalioButton
-                                    :label="$t('mail.taskTab.linkButton')"
-                                    variant="secondary"
-                                    icon-name="material-symbols:link"
-                                    icon-position="left"
-                                    :icon-size="14"
-                                    button-class="w-auto"
-                                    @click="showMailPickerModal = true"
-                                />
-                            </div>
-
-                            <!-- Modal picker mail -->
-                            <MailPickerModal
-                                v-if="task"
-                                v-model="showMailPickerModal"
-                                :task-id="task.id"
-                                @linked="handleMailLinked"
-                            />
                         </div>
 
                         <!-- Footer -->
@@ -624,7 +604,6 @@ const activeTab = ref<'details' | 'planning' | 'mails'>('details')
 const mailService = useMailService()
 const linkedMails = ref<MailMessageHeaderDto[]>([])
 const mailsLoading = ref(false)
-const showMailPickerModal = ref(false)
 
 const giteaUrl = ref('')
 const { getSettings: getGiteaSettings } = useGiteaService()
@@ -940,11 +919,6 @@ watch(activeTab, async (tab) => {
     }
 })
 
-async function handleMailLinked(): Promise<void> {
-    showMailPickerModal.value = false
-    await loadLinkedMails()
-}
-
 function formatMailDate(iso: string | null): string {
     if (!iso) return ''
     return new Date(iso).toLocaleDateString('fr', {