Upgrade EUI to latest backport version for 8.12FF

package.json

@@ -102,7 +102,7 @@
     "@elastic/datemath": "5.0.3",
     "@elastic/elasticsearch": "npm:@elastic/elasticsearch-canary@8.9.1-canary.1",
     "@elastic/ems-client": "8.5.1",
-    "@elastic/eui": "90.0.1",
+    "@elastic/eui": "90.0.1-backport.0",
     "@elastic/filesaver": "1.1.2",
     "@elastic/node-crypto": "1.2.1",
     "@elastic/numeral": "^2.5.1",

src/dev/license_checker/config.ts

@@ -85,7 +85,7 @@ export const LICENSE_OVERRIDES = {
   'jsts@1.6.2': ['Eclipse Distribution License - v 1.0'], // cf. https://github.com/bjornharrtell/jsts
   '@mapbox/jsonlint-lines-primitives@2.0.2': ['MIT'], // license in readme https://github.com/tmcw/jsonlint
   '@elastic/ems-client@8.5.1': ['Elastic License 2.0'],
-  '@elastic/eui@90.0.1': ['SSPL-1.0 OR Elastic License 2.0'],
+  '@elastic/eui@90.0.1-backport.0': ['SSPL-1.0 OR Elastic License 2.0'],
   'language-subtag-registry@0.3.21': ['CC-BY-4.0'], // retired ODC‑By license https://github.com/mattcg/language-subtag-registry
   'buffers@0.1.1': ['MIT'], // license in importing module https://www.npmjs.com/package/binary
 };

yarn.lock

@@ -1625,10 +1625,10 @@
   resolved "https://registry.yarnpkg.com/@elastic/eslint-plugin-eui/-/eslint-plugin-eui-0.0.2.tgz#56b9ef03984a05cc213772ae3713ea8ef47b0314"
   integrity sha512-IoxURM5zraoQ7C8f+mJb9HYSENiZGgRVcG4tLQxE61yHNNRDXtGDWTZh8N1KIHcsqN1CEPETjuzBXkJYF/fDiQ==
 
-"@elastic/eui@90.0.1":
-  version "90.0.1"
-  resolved "https://registry.yarnpkg.com/@elastic/eui/-/eui-90.0.1.tgz#f70391559a113d6df4622f5c0160fb94dc064885"
-  integrity sha512-KMr3blXQUBQjCjb4hskKaNMxLwJOOLSOwAvoZQjqj3ZxQS9yinZ1Ly8mn16ua8iC6HVra1GB0lsNyrCD+VlgwA==
+"@elastic/eui@90.0.1-backport.0":
+  version "90.0.1-backport.0"
+  resolved "https://registry.yarnpkg.com/@elastic/eui/-/eui-90.0.1-backport.0.tgz#c57910220dab4f85c813c4b7b44a80500b5abf82"
+  integrity sha512-mv8ucgZdBAJ7i7sDb6K1wHS9eboVe4rb3Vg0NSIMsat2skCfQAods+aPuXuKo323W57uZGnJnQlO07wF4iA3Tg==
   dependencies:
     "@hello-pangea/dnd" "^16.3.0"
     "@types/lodash" "^4.14.198"