Replace react-use-clipboard with copy-to-clipboard

We didn't need the complexity of the (admittedly very small) React hook, and the package hasn't declared compatibility with React 19, so let's just switch to copying things manually via copy-to-clipboard.

package.json

@@ -83,6 +83,7 @@
     "@vitest/coverage-v8": "^3.0.0",
     "babel-plugin-transform-vite-meta-env": "^1.0.3",
     "classnames": "^2.3.1",
+    "copy-to-clipboard": "^3.3.3",
     "eslint": "^8.14.0",
     "eslint-config-google": "^0.14.0",
     "eslint-config-prettier": "^10.0.0",
@@ -117,7 +118,6 @@
     "react-dom": "19",
     "react-i18next": "^15.0.0",
     "react-router-dom": "^7.0.0",
-    "react-use-clipboard": "^1.0.7",
     "react-use-measure": "^2.1.1",
     "rxjs": "^7.8.1",
     "sass": "^1.42.1",