telemetry fix the unknown language issue and remove the wrong print

Author: Randall-Jiang

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonqCodeTest/controller/CodeTestChatController.kt

@@ -485,16 +485,11 @@ class CodeTestChatController(
                     numberOfLinesSelected = selectedFileContent.lines().size
                     lineDifference = numberOfLinesGenerated - numberOfLinesSelected
 
-
-
                     // Character difference calculation: charsOfCodeGenerated = number of characters in generated test file - number of characters in original test file
                     numberOfCharsGenerated = generatedFileContent.length
                     numberOfCharsSelected = selectedFileContent.length
                     charDifference = numberOfCharsGenerated - numberOfCharsSelected
 
-                    println("lineDifference" + lineDifference)
-                    println("charDifference" + charDifference)
-
                     session.linesOfCodeGenerated = lineDifference.coerceAtLeast(0)
                     session.charsOfCodeGenerated = charDifference.coerceAtLeast(0)
                     session.latencyOfTestGeneration = (Instant.now().toEpochMilli() - session.startTimeOfTestGeneration)

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonqCodeTest/storage/ChatSessionStorage.kt

@@ -8,13 +8,8 @@ import software.aws.toolkits.jetbrains.services.amazonqCodeTest.session.Session
 class ChatSessionStorage {
     private val sessions = mutableMapOf<String, Session>()
 
-    private fun createSession(tabId: String): Session {
-        val session = Session(tabId)
-        sessions[tabId] = session
-        return session
-    }
-
-    fun getSession(tabId: String): Session = sessions[tabId] ?: createSession(tabId)
+    @Synchronized
+    fun getSession(tabId: String): Session = sessions.getOrPut(tabId) { Session(tabId) }
 
     fun deleteSession(tabId: String) {
         sessions.remove(tabId)