fix(KB-654): resolve board mobile overflow with dynamic viewport units

- Add 100dvh fallback for board height to handle mobile browser chrome
- Keep 100vh as fallback for older browsers
- Create patch changeset for @gsxdsm/fusion package

packages/dashboard/app/styles.css

@@ -382,6 +382,7 @@ body {
   gap: var(--column-gap);
   padding: var(--board-padding);
   height: calc(100vh - 57px);
+  height: calc(100dvh - 57px);
   overflow-x: auto;
   overflow-y: hidden;
   scroll-snap-type: x proximity;