More work on free filter

Source/PS_Source/StretchSource.cpp

@@ -12,7 +12,7 @@ StretchAudioSource::StretchAudioSource(int initialnumoutchans, AudioFormatManage
 	m_resampler = std::make_unique<WDL_Resampler>();
 	m_resampler_outbuf.resize(1024*1024);
 	m_inputfile = std::make_unique<AInputS>(m_afm);
-	m_specproc_order = { {0,false} , { 1, false} ,{2,true},{3,true},{4,true},{5,false},{6,true},{7,true} };
+    m_specproc_order = { {0,false} , { 1, false} ,{2,true},{3,true},{4,true},{5,false},{6,true},{7,true},{8,false} };
 	setNumOutChannels(initialnumoutchans);
 	m_xfadetask.buffer.setSize(8, 65536);
 	m_xfadetask.buffer.clear();

Source/PluginEditor.cpp

@@ -914,6 +914,8 @@ void SpectralChainEditor::drawBox(Graphics & g, int index, int x, int y, int w,
 		txt = "Filter";
 	if (m_order[index].m_index == 7)
 		txt = "Compressor";
+    if (m_order[index].m_index == 8)
+        txt = "Free filter";
 	if (index == m_cur_index)
 	{
 		g.setColour(Colours::darkgrey);

Source/PluginProcessor.cpp

@@ -255,6 +255,8 @@ void PaulstretchpluginAudioProcessor::setStateFromTree(ValueTree tree)
 					bool step_enabled = tree.getProperty("specstepenabled" + String(i));
 					order.push_back({ (int)tree.getProperty("specorder" + String(i)), step_enabled });
 				}
+                if (ordersize<m_stretch_source->getSpectrumProcessOrder().size())
+                    order.emplace_back(8,false);
 				m_stretch_source->setSpectrumProcessOrder(order);
 			}
 			getFromTreeProperties(tree, "waveviewrange", m_wave_view_range);