Fix: handle id as keyword (#14729)

### What problem does this PR solve?

Update mapping.json to treat id as a keyword.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

conf/mapping.json

@@ -92,7 +92,7 @@
       {
         "kwd": {
           "match_pattern": "regex",
-          "match": "^(.*_(kwd|id|ids|uid|uids)|uid)$",
+          "match": "^(.*_(kwd|id|ids|uid|uids)|uid|id)$",
           "mapping": {
             "type": "keyword",
             "similarity": "boolean",