fix(ui): use dvh units for chat dialog on mobile devices

Author: moonclavedev

src/styles/global.css

@@ -236,7 +236,7 @@
   left: 50%;
   top: 50%;
   transform: translate(-50%, -50%);
-  height: 100vh;
+  height: 100dvh;
   width: 100%;
   background-color: var(--sl-color-black);
   border: 1px solid var(--sl-color-gray-5);