Query json directly rather than with $.value

-This is less abstract
-Maximum compatibility with @chakflying's existing json-query monitor code.

src/lang/en.json

@@ -577,7 +577,7 @@
     "notificationDescription": "Notifications must be assigned to a monitor to function.",
     "keywordDescription": "Search keyword in plain HTML or JSON response. The search is case-sensitive.",
     "invertKeywordDescription": "Look for the keyword to be absent rather than present.",
-    "jsonQueryDescription": "Use JSON query to parse and extract specific data from the server's JSON response. Compare the evaluated query against the expected value after converting it into a string. Access the response value using $.value and the expected value using $.control. Refer to {0} for detailed documentation on the query language or experiment with queries using the {1}.",
+    "jsonQueryDescription": "Use JSON query to parse and extract specific data from the server's JSON response. Compare the evaluated query against the expected value after converting it into a string. Refer to {0} for detailed documentation on the query language or experiment with queries using the {1}.",
     "backupDescription": "You can backup all monitors and notifications into a JSON file.",
     "backupDescription2": "Note: history and event data is not included.",
     "backupDescription3": "Sensitive data such as notification tokens are included in the export file; please store export securely.",

src/util.js

@@ -427,10 +427,16 @@ async function evaluateJsonQuery(data, jsonPath, jsonPathOperator, expectedValue
             throw new Error(`Invalid condition ${jsonPathOperator}`);
     }
     const expression = jsonata(jsonQueryExpression);
-    const evaluation = await expression.evaluate({
+    let evaluation;
+    if (jsonPathOperator === "custom") {
+        evaluation = await expression.evaluate(response);
+    }
+    else {
+        evaluation = await expression.evaluate({
             value: response,
-        control: expected
+            control: expectedValue
         });
+    }
     if (evaluation === undefined) {
         throw new Error("Query evaluation returned undefined. Check your query syntax and the structure of the response data.");
     }