Implement multi-input OFX clip wiring and texture handling

Store PluginJob input values for lookup
Add per-clip texture inputs on plugin nodes
Map input clips to textures during render (with Source fallback)

third_party/openfx/HostSupport/src/ofxhInteract.cpp

@@ -7,7 +7,6 @@
 
 // ofx host
 #include "ofxhBinary.h"
-#include "ofxhPropertySuite.h"
 #include "ofxhClip.h"
 #include "ofxhParam.h"
 #include "ofxhMemory.h"