Fix bwc

Author: kanoshiou

x-pack/plugin/esql/qa/testFixtures/src/main/resources/drop.csv-spec

@@ -174,6 +174,7 @@ Milky Way
 ;
 
 dropAgainWithWildcardAfterEval
+required_capability:drop_again_with_wildcard_after_eval
 from languages
 | eval language_code = 12, x = 13
 | drop language_code

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/action/EsqlCapabilities.java

@@ -1017,7 +1017,13 @@ public enum Cap {
          * During resolution (pre-analysis) we have to consider that joins or enriches can override EVALuated values
          * https://github.com/elastic/elasticsearch/issues/126419
          */
-        FIX_JOIN_MASKING_EVAL;
+        FIX_JOIN_MASKING_EVAL,
+
+        /**
+         * Support for keeping `DROP` attributes when resolving field names.
+         * see <a href="https://github.com/elastic/elasticsearch/issues/126418"> ES|QL: no matches for pattern #126418 </a>
+         */
+        DROP_AGAIN_WITH_WILDCARD_AFTER_EVAL;
 
         private final boolean enabled;