Invalidate existing enclave session during connection (re)connect

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerConnection.java

@@ -2189,6 +2189,15 @@
 
         long elapsedSeconds = 0;
         long start = System.currentTimeMillis();
+
+        // Any existing enclave session would be invalid, make sure it is invalidated.
+        // For example, if this is a session recovery reconnect.
+        //
+        if (enclaveProvider != null) {
+            connectionlogger.fine("Invalidating existing enclave session");
+            enclaveProvider.invalidateEnclaveSession();
+        }
+
         for (int connectRetryAttempt = 0, tlsRetryAttempt = 0;;) {
             try {
                 if (0 == elapsedSeconds || elapsedSeconds < loginTimeoutSeconds) {