feat: reduce eslint warnings (#2396)

Also added `Destructuring the 'props' will cause the value to lose reactivity` as a warning to prepare for the removal of the propsDestructure option in vite.

Reviewed-on: https://kolaente.dev/vikunja/vikunja/pulls/2396
Reviewed-by: konrad <k@knt.li>
Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Co-committed-by: Dominik Pschenitschni <mail@celement.de>

frontend/src/views/tasks/ShowTasks.vue

@@ -52,10 +52,10 @@
 		>
 			<div class="p-2">
 				<SingleTaskInProject
-					v-for="t in tasks"
-					:key="t.id"
+					v-for="task in tasks"
+					:key="task.id"
 					:show-project="true"
-					:the-task="t"
+					:the-task="task"
 					@taskUpdated="updateTasks"
 				/>
 			</div>