Fix feature name and description for IDBDatabase.transaction subfeature (#23592)

Author: queengooborg

api/IDBDatabase.json

@@ -375,9 +375,9 @@
             "deprecated": false
           }
         },
-        "option_durability_parameter_readwriteflush": {
+        "mode_parameter_readwriteflush": {
           "__compat": {
-            "description": "<code>option.durability</code> parameter supports <code>readwriteflush</code>",
+            "description": "<code>mode</code> parameter supports <code>readwriteflush</code>",
             "support": {
               "chrome": {
                 "version_added": false