Fixes Stand appending extra ".png" to texture when a "texture" attribute

is explicity set on the armor's definition.

3d_armor_stand/init.lua

@@ -75,8 +75,11 @@ local function update_entity(pos)
 					local def = stack:get_definition() or {}
 					local groups = def.groups or {}
 					if groups["armor_"..element] then
-						local texture = def.texture or item:gsub("%:", "_")
-						table.insert(textures, texture..".png")
+                        if def.texture then
+                            table.insert(textures, def.texture)
+						else
+    						table.insert(textures, item:gsub("%:", "_")..".png")
+                        end
 					end
 				end
 			end