fix(search): reduce minimum length filter from 3 to 2 characters

modify elasticsearch filter settings to allow shorter search terms
change min length parameter from 3 to 2 in SettingsBuilder.java

Improves search functionality by allowing shorter search terms in multilingual environments

metadata-io/src/main/java/com/linkedin/metadata/search/elasticsearch/indexbuilder/SettingsBuilder.java

@@ -225,7 +225,7 @@ private static Map<String, Object> buildFilters() throws IOException {
 
     filters.put(
         MIN_LENGTH,
-        ImmutableMap.<String, Object>builder().put(TYPE, "length").put("min", "3").build());
+        ImmutableMap.<String, Object>builder().put(TYPE, "length").put("min", "2").build());
 
     Resource stemOverride =
         resourceResolver.getResource("classpath:elasticsearch/stem_override.txt");