DRW: Fix flat object not being selectable in wireframe view

The problem was double. They were not selectable in wireframe view and
they would not display with the right color, thus always appearing
un-selected.

source/blender/draw/engines/basic/basic_engine.c

@@ -141,6 +141,7 @@ static void basic_cache_populate(void *vedata, Object *ob)
 
 	/* Make flat object selectable in ortho view if wireframe is enabled. */
 	if ((draw_ctx->v3d->overlay.flag & V3D_OVERLAY_WIREFRAMES) ||
+	    (draw_ctx->v3d->shading.type == OB_WIRE) ||
 	    (ob->dtx & OB_DRAWWIRE) ||
 	    (ob->dt == OB_WIRE))
 	{