Apply "min-height" to .dialog--sidebar

Ensures the `dvh` value correctly adjusts the modal when scrolling on mobile browsers with disappearing address bars

src/stories/Library/dialog/dialog.scss

@@ -23,7 +23,7 @@
   // Apply custom
   background-color: $color__global-primary;
   position: fixed;
-  height: 100dvh;
+  min-height: 100dvh;
   width: 100%;
   left: auto;