fix: design review issues

Signed-off-by: Luka Trovic <luka@nextcloud.com>

src/components/board/BoardSidebar.vue

@@ -1,6 +1,6 @@
 <!--
-  - SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
-  - SPDX-License-Identifier: AGPL-3.0-or-later
+	- SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+	- SPDX-License-Identifier: AGPL-3.0-or-later
 -->
 
 <template>
@@ -100,3 +100,12 @@ export default {
 	},
 }
 </script>
+
+<style scoped lang="scss">
+:deep {
+	.app-sidebar-tabs__tab-caption,
+	.app-sidebar-tabs__nav .checkbox-content__text {
+		white-space: normal !important;
+	}
+}
+</style>