fix graphql contains queries

api/src/database/query_builder.rs

···
         *param_count += 1;
         clause
     } else if let Some(_contains_value) = &condition.contains {
-        let clause = if field == "json" {
-            format!("json::text ILIKE '%' || ${} || '%'", param_count)
-        } else {
-            let json_path = build_json_path(field);
-            format!("{} ILIKE '%' || ${} || '%'", json_path, param_count)
+        let clause = match field {
+            "did" | "collection" | "uri" | "cid" => {
+                format!("{} ILIKE '%' || ${} || '%'", field, param_count)
+            }
+            "json" => {
+                format!("json::text ILIKE '%' || ${} || '%'", param_count)
+            }
+            _ => {
+                let json_path = build_json_path(field);
+                format!("{} ILIKE '%' || ${} || '%'", json_path, param_count)
+            }
         };
         *param_count += 1;
         clause