Merge pull request 'Fix light removal' (#2) from j-r/mcl_wieldlight:fix_light_removal into main

Reviewed-on: https://codeberg.org/mineclonia/mcl_wieldlight/pulls/2
Reviewed-by: cora <cora@noreply.codeberg.org>

init.lua

@@ -31,11 +31,16 @@ local function update_player_light(pl)
 	local has_light = false
 	local rm = {}
 	for h,v in pairs(placed_lights[pl] or {}) do
-		if light < 2 or ph ~= h then
-			table.insert(rm,v)
-			placed_lights[pl][h] = nil
+		if minetest.get_item_group(minetest.get_node(v).name, "wieldlight") ~= 0 then
+			if light < 2 or ph ~= h then
+				table.insert(rm,v)
+				placed_lights[pl][h] = nil
+			else
+				has_light = true
+			end
 		else
-			has_light = true
+			-- light has been replaced by something else
+			placed_lights[pl][h] = nil
 		end
 	end