relocate metric recording in base.js

Author: jsumners-nr

lib/subscribers/base.js

@@ -215,14 +215,6 @@ class Subscriber {
    * @returns {Context} either new context or existing
    */
   handler(data, ctx) {
-    if (this.#usageMetricRecorded === false) {
-      recordSupportabilityMetric({
-        agent: this.agent,
-        moduleName: this.packageName,
-        moduleVersion: data.moduleVersion
-      })
-      this.#usageMetricRecorded = true
-    }
     return ctx
   }
 
@@ -246,6 +238,15 @@ class Subscriber {
      * @returns {Context} The context after processing the event
      */
     const handler = (data) => {
+      if (this.#usageMetricRecorded === false) {
+        recordSupportabilityMetric({
+          agent: this.agent,
+          moduleName: this.packageName,
+          moduleVersion: data.moduleVersion
+        })
+        this.#usageMetricRecorded = true
+      }
+
       // only wrap the callback if a subscriber has a callback property defined
       if (this.callback !== null) {
         this.traceCallback(this.callback, data)