GUI: patchbay connection

some improvements left to do

src/gui/gui.cpp

@@ -5729,8 +5729,6 @@ FurnaceGUI::FurnaceGUI():
   zsmExportTickRate(60),
   macroPointSize(16),
   waveEditStyle(0),
-  selectedPortSet(0x1fff),
-  selectedSubPort(-1),
   displayInsTypeListMakeInsSample(-1),
   mobileEditPage(0),
   mobileMenuPos(0.0f),
@@ -6023,6 +6021,12 @@ FurnaceGUI::FurnaceGUI():
   openSampleAmplifyOpt(false),
   openSampleSilenceOpt(false),
   openSampleFilterOpt(false),
+  selectedPortSet(0x1fff),
+  selectedSubPort(-1),
+  hoveredPortSet(0x1fff),
+  hoveredSubPort(-1),
+  portDragActive(false),
+  subPortPos(0.0f,0.0f),
   oscTotal(0),
   oscZoom(0.5f),
   oscWindowSize(20.0f),