fix: don't use transitions for elements where it is not possible

Resolves https://kolaente.dev/vikunja/frontend/issues/2153

src/App.vue

@@ -10,9 +10,7 @@
 		</no-auth-wrapper>
 		<Notification/>
 
-		<transition name="fade">
 		<keyboard-shortcuts v-if="keyboardShortcutsActive"/>
-		</transition>
 	</ready>
 </template>
 

src/components/home/contentAuth.vue

@@ -38,7 +38,6 @@
 					</keep-alive>
 				</router-view>
 
-				<transition name="modal">
 				<modal
 					v-if="currentModal"
 					@close="closeModal()"
@@ -47,7 +46,6 @@
 				>
 					<component :is="currentModal"/>
 				</modal>
-				</transition>
 
 				<BaseButton
 					class="keyboard-shortcuts-button d-print-none"

src/components/misc/modal.vue

@@ -1,7 +1,7 @@
 <template>
 	<Teleport to="body">
 		<!-- FIXME: transition should not be included in the modal -->
-		<transition name="modal">
+		<transition :name="transitionName">
 			<section
 				v-if="enabled"
 				class="modal-mask"