Merge branch 'release/UEPR-297-accessibility-improvements' of github.com:scratchfoundation/scratch-editor into backmerge/develop-into-accessibility-release

Author: adzhindzhi

package-lock.json

@@ -198,6 +198,7 @@
     "@babel/core": "7.29.0",
     "@babel/preset-env": "7.29.5",
     "@babel/preset-react": "7.28.5",
+    "@reduxjs/toolkit": "^2.11.2",
     "@playwright/test": "1.60.0",
     "@testing-library/jest-dom": "5.17.0",
     "@testing-library/react": "14.3.1",

packages/scratch-gui/package.json

@@ -29,7 +29,8 @@ button::-moz-focus-inner {
     border: 0;
 }
 
-.button:hover {
+.button:hover,
+.button:focus {
     background: $extensions-primary;
 }