Highlight only the exact routes

Signed-off-by: Julius Härtl <jus@bitgrid.net>

src/components/navigation/AppNavigation.vue

@@ -26,6 +26,7 @@
 			<AppNavigationItem
 				:title="t('deck', 'Upcoming cards')"
 				icon="icon-desktop"
+				:exact="true"
 				to="/" />
 			<AppNavigationBoardCategory
 				id="deck-navigation-all"

src/components/navigation/AppNavigationBoardCategory.vue

@@ -24,6 +24,7 @@
 		:title="text"
 		:icon="icon"
 		:to="to"
+		:exact="true"
 		:allow-collapse="collapsible"
 		:open="opened">
 		<AppNavigationBoard v-for="board in boardsSorted" :key="board.id" :board="board" />