Movie: Do not attempt to record input when the emulation has not started yet.

Fixes a null pointer exception when the user starts the recording during a state transition.

Source/Core/Core/Movie.cpp

@@ -444,7 +444,7 @@ bool BeginRecordingInput(int controllers)
 		if (SConfig::GetInstance().m_SIDevice[i] == SIDEVICE_GC_TARUKONGA)
 			bongos |= (1 << i);
 
-	if (Core::IsRunning())
+	if (Core::IsRunningAndStarted())
 	{
 		if (File::Exists(tmpStateFilename))
 			File::Delete(tmpStateFilename);