Also start suspending only in user code with suspend=True for remote debugger (PY-15515)

If suspending is started before starting some PyDBDaemonThreads, debugger stops inside library files

python/helpers/pydev/pydevd.py

@@ -2029,13 +2029,14 @@ def _locked_settrace(
 
         # Stop the tracing as the last thing before the actual shutdown for a clean exit.
         atexit.register(stoptrace)
+
+        PyDBCommandThread(debugger).start()
+        CheckOutputThread(debugger).start()
         
         #Suspend as the last thing after all tracing is in place.
         if suspend:
             debugger.setSuspend(t, CMD_THREAD_SUSPEND)
 
-        PyDBCommandThread(debugger).start()
-        CheckOutputThread(debugger).start()
 
     else:
         # ok, we're already in debug mode, with all set, so, let's just set the break