fix(reminders): set reminder date on datepicker when editing a reminder

Setting an actual reminder date (not a relative one) flowed only from the component to the outside when setting it. When editing it, the reminder date would not be populated, causing the datepicker date to stay at the current date.

src/components/tasks/partials/reminder-detail.vue

@@ -46,7 +46,7 @@
 					<DatepickerInline
 						v-if="activeForm === 'absolute'"
 						v-model="reminderDate"
-						@update:modelValue="setReminderDate(close)"
+						@update:modelValue="setReminderDateAndClose(close)"
 					/>
 
 					<x-button
@@ -105,7 +105,7 @@ const presets = computed<TaskReminderModel[]>(() => [
 	{reminder: null, relativePeriod: -1 * SECONDS_A_DAY * 7, relativeTo: defaultRelativeTo},
 	{reminder: null, relativePeriod: -1 * SECONDS_A_DAY * 30, relativeTo: defaultRelativeTo},
 ])
-const reminderDate = ref(null)
+const reminderDate = ref<Date|null>(null)
 
 type availableForms = null | 'relative' | 'absolute'
 
@@ -135,7 +135,17 @@ const reminderText = computed(() => {
 watch(
 	() => modelValue,
 	(newReminder) => {
-		reminder.value = newReminder || new TaskReminderModel()
+		if(newReminder) {
+			reminder.value = newReminder
+			
+			if(newReminder.relativeTo === null) {
+				reminderDate.value = new Date(newReminder.reminder)
+			}
+			
+			return
+		}
+		
+		reminder.value = new TaskReminderModel()
 	},
 	{immediate: true},
 )
@@ -148,7 +158,7 @@ function updateData() {
 	}
 }
 
-function setReminderDate(close) {
+function setReminderDateAndClose(close) {
 	reminder.value.reminder = reminderDate.value === null
 		? null
 		: new Date(reminderDate.value)