Issue #61

refactor: fix mit dem z-index

src/QUI/Bricks/Controls/SimpleGoogleMaps.css

 .simpleGoogleMap {
     position: relative;
+    height: 100%;
 }
 
 .simpleGoogleMap-iframe {
     background: none;
     border: none;
     display: block;
-    height: 300px;
+    height: 100%;
+    min-height: 300px;
     position: relative;
     width: 100%;
 }
@@ -18,7 +20,7 @@
     top: 0;
     left: 0;
     background: rgba(0, 0, 0, 0.4);
-    z-index: 10;
+    z-index: 1;
     display: flex;
     align-items: center;
     justify-content: center;