Modifiers: Use object passed to evaluation

This was wrong and violating design to force modifiers to query
evaluated objects and IDs. It is up to the caller to make sure
the object is properly evaluatable.

Effectively, reverting changes from de491abf99 (and possibly
other related changes).

source/blender/modifiers/intern/MOD_lattice.c

@@ -94,7 +94,7 @@ static void deformVerts(
 
 	MOD_previous_vcos_store(md, vertexCos); /* if next modifier needs original vertices */
 
-	lattice_deform_verts(DEG_get_evaluated_object(ctx->depsgraph, lmd->object), ctx->object, mesh_src,
+	lattice_deform_verts(lmd->object, ctx->object, mesh_src,
 	                     vertexCos, numVerts, lmd->name, lmd->strength);
 
 	if (!ELEM(mesh_src, NULL, mesh)) {