src/send_kcidb: fix field_name

Signed-off-by: Jeny Sadadia <jeny.sadadia@collabora.com>

Author: Jeny Sadadia

src/send_kcidb.py

@@ -588,7 +588,7 @@ def _parse_coverage_node(self, origin, node):
                 self.log.warning(f"No measurement in node '{child['name']}' ({child['id']})")
                 continue
             field_name = self._replace_restricted_chars(child['name'], r'^[a-zA-Z0-9_]*$')
-            parsed_coverage_node['misc'][field] = child['data']['misc']['measurement']
+            parsed_coverage_node['misc'][field_name] = child['data']['misc']['measurement']
 
         # Add HTML coverage report to the build node's artifacts
         artifacts = node.get('artifacts')