Enable color for wield mesh based on wield image

wield_mesh_color.diff

diff --git a/src/client/wieldmesh.cpp b/src/client/wieldmesh.cpp
index d5c191935..25b343573 100644
--- a/src/client/wieldmesh.cpp
+++ b/src/client/wieldmesh.cpp
@@ -386,6 +386,9 @@ void WieldMeshSceneNode::setItem(const ItemStack &item, Client *client, bool che
 		m_colors.emplace_back();
 		// overlay is white, if present
 		m_colors.emplace_back(true, video::SColor(0xFFFFFFFF));
+		// initialize the color
+		if (!m_lighting)
+			setColor(video::SColor(0xFFFFFFFF));
 		return;
 	}