added dialog start radius and background by time in cutscenes

resources/config2/npcs.json

@@ -37,6 +37,7 @@
         "modelCorrectionRotX": 0.0,
         "modelCorrectionRotY": 180.0,
         "modelCorrectionRotZ": 0.0,
+        "interactionRadius": 1.0,
         "gift": {
           "id": "ghost_essence",
           "name": "Ghost's Essence",