chore: revert overlayscrollbars upgrade, bump version

Turns out overlayscrollbars >=v2.8.0 breaks the scroll on comboboxes. Cannot figure out why or how to fix, reverting upgrade.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@invoke-ai/ui-library",
-  "version": "0.0.27",
+  "version": "0.0.28",
   "description": "UI Components for Invoke's applications.",
   "directories": {
     "lib": "lib"
@@ -46,7 +46,7 @@
     "framer-motion": "^11.3.24",
     "lodash-es": "^4.17.21",
     "nanostores": "^0.11.2",
-    "overlayscrollbars": "^2.10.0",
+    "overlayscrollbars": "2.7.3",
     "overlayscrollbars-react": "^0.5.6",
     "react-i18next": "^15.0.1",
     "react-icons": "^5.2.1",