[Cloud Security] unskip"Findings Page - DataTable > Table Sort" FTR t…

…est suit (#186825)

## Summary

Related to:
- #152913

Unskipping the test, as the data grid has been refactored and it after
running flaky test runner it looks like the flakiness is gone (finger
crossed, in the failed cases the failures were unrelated, eg. agent
lost).

x-pack/test/cloud_security_posture_functional/pages/findings.ts

@@ -147,8 +147,7 @@ export default function ({ getPageObjects, getService }: FtrProviderContext) {
       await findings.index.remove();
     });
 
-    // FLAKY: https://github.com/elastic/kibana/issues/152913
-    describe.skip('Table Sort', () => {
+    describe('Table Sort', () => {
       type SortingMethod = (a: string, b: string) => number;
       type SortDirection = 'asc' | 'desc';
       // Sort by lexical order will sort by the first character of the string (case-sensitive)