fix: Set fixed height for card modal (fix #4296)

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

src/App.vue

@@ -194,4 +194,10 @@ export default {
 		width: 100%;
 	}
 
+	.modal__card {
+		height: 100vh;
+		max-height: calc(100vh - 120px);
+		overflow: auto;
+	}
+
 </style>

src/components/card/CardSidebar.vue

@@ -235,7 +235,7 @@ section.app-sidebar__tab--active {
 	right: 0;
 	max-width: calc(100% - #{$modal-padding * 2});
 	padding: 0 14px;
-	max-height: 100%;
+	height: auto;
 	overflow: initial;
 	user-select: text;
 	-webkit-user-select: text;