Upgrade EUI to v55.1.2 (elastic#131203)

* Bumping EUI to v55.1.0

* Updating package.json to latest EUI
* Adding one translation.

* Updating theme config to pass Jest Tests #4 / CaseView.

* Updating theme config to pass Jest Tests 3, CauseStacktrace.

* Updating six x-pack synthetic test snapshots.

* Updating snapshots for discover, reporting, security_solution.

* Replacing instances of spacerSizes with euiSize.

* Updating a number of snapshots for Emotion styles.

* Adding more snapshots for Emotion style upgrade.

* Updating seven snapshot tests for Emotion styles.

* Updating two snapshot tests for Emotion styles.

* Adding two more snapshots for License and Upload.

* Updating a Typescript check, and classname count in one unit test.

* Updating 1 snapshot and refining EuiLoadingChart selector to avoid off-by-one error.

* Bumping EUI to 55.1.1 for a change in EUI Flyout behavior.

* update newsfeed flyout to use shards

* snapshot update

* eui to v55.1.2

* update onClose

* onClose types

* reduce snapshot noise

* reduce snapshot noise

* Adding back Emotion output at request of Data Discovery reviewer.

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Greg Thompson <thompson.glowe@gmail.com>

package.json

@@ -108,7 +108,7 @@
     "@elastic/datemath": "5.0.3",
     "@elastic/elasticsearch": "npm:@elastic/elasticsearch-canary@8.2.0-canary.2",
     "@elastic/ems-client": "8.3.0",
-    "@elastic/eui": "55.0.1",
+    "@elastic/eui": "55.1.2",
     "@elastic/filesaver": "1.1.2",
     "@elastic/node-crypto": "1.2.1",
     "@elastic/numeral": "^2.5.1",