Fix: Erratic collision response when using constraints on colliders

Missing dependency, which made collission to access object transform
prior it was evaluated.

Reviewers: sergey

Differential Revision: https://developer.blender.org/D4636

source/blender/modifiers/intern/MOD_collision.c

@@ -240,6 +240,10 @@ static void deformVerts(
 	}
 }
 
+static void updateDepsgraph(ModifierData *UNUSED(md), const ModifierUpdateDepsgraphContext *ctx)
+{
+	DEG_add_modifier_to_transform_relation(ctx->node, "Collision Modifier");
+}
 
 ModifierTypeInfo modifierType_Collision = {
 	/* name */              "Collision",
@@ -261,7 +265,7 @@ ModifierTypeInfo modifierType_Collision = {
 	/* requiredDataMask */  NULL,
 	/* freeData */          freeData,
 	/* isDisabled */        NULL,
-	/* updateDepsgraph */   NULL,
+	/* updateDepsgraph */   updateDepsgraph,
 	/* dependsOnTime */     dependsOnTime,
 	/* dependsOnNormals */	NULL,
 	/* foreachObjectLink */ NULL,