[ENHANCEMENT] Report latency when resampling (#457)

* Plugin reoprts its latency. Not quite right yet maybe

* Latency is successfully reported

Author: sdatkinson

NeuralAmpModeler/NeuralAmpModeler.cpp

@@ -528,6 +528,7 @@ void NeuralAmpModeler::_ApplyDSPStaging()
     mNAMPath.Set("");
     mShouldRemoveModel = false;
     mCheckSampleRateWarning = true;
+    SetLatency(0);
   }
   if (mShouldRemoveIR)
   {
@@ -543,6 +544,7 @@ void NeuralAmpModeler::_ApplyDSPStaging()
     mStagedModel = nullptr;
     mNewModelLoadedInDSP = true;
     mCheckSampleRateWarning = true;
+    SetLatency(mModel->GetLatency());
   }
   if (mStagedIR != nullptr)
   {

NeuralAmpModeler/NeuralAmpModeler.h

@@ -157,6 +157,8 @@ class ResamplingNAM : public nam::DSP
     mFinalized = true;
   };
 
+  int GetLatency() const { return mResampler.GetLatency(); };
+
   void Reset(const double sampleRate, const int maxBlockSize)
   {
     mExpectedSampleRate = sampleRate;