CodeWhisperer: fix learn more click telemetry issue (#3899)

1. it was wrongly sent for every BrowserLink creation,
it should only be sent when there's actually a click.

Author: andrewyuq

jetbrains-core/src/software/aws/toolkits/jetbrains/services/codewhisperer/learn/LearnCodeWhispererUIComponents.kt

@@ -319,7 +319,9 @@ object LearnCodeWhispererUIComponents {
                 message("codewhisperer.learn_page.examples.description.part_2"),
                 CODEWHISPERER_SUPPORTED_LANG_URI
             ).apply {
-                UiTelemetry.click(null as Project?, "codewhisperer_GenerateSuggestions_LearnMore")
+                addActionListener {
+                    UiTelemetry.click(null as Project?, "codewhisperer_GenerateSuggestions_LearnMore")
+                }
             },
             inlineLabelConstraints
         )