fix(core): fix width and height of map overlay

Author: dopenguin

src/core/components/PolarMapOverlay.ce.vue

@@ -69,8 +69,8 @@ defineExpose({
 	display: flex;
 	justify-content: center;
 	align-items: center;
-	width: inherit;
-	height: inherit;
+	width: 100%;
+	height: 100%;
 	z-index: 42;
 	font-size: var(--kern-typography-font-size-static-large);
 	text-align: center;