[MIRROR] Cargo Material Purchasing (#12734)

Co-authored-by: Will <7099514+Willburd@users.noreply.github.com>
Co-authored-by: Cameron Lennox <killer65311@gmail.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

modular_chomp/code/modules/materials/materials/organic/animal_products.dm

@@ -12,6 +12,7 @@
 	protectiveness = 40
 	reflectivity = 0.4
 	conductivity = 1
+	supply_conversion_value = 0
 
 /datum/material/dragonscale
 	name = "dragon scale"
@@ -22,6 +23,7 @@
 	protectiveness = 75
 	reflectivity = 0.6
 	conductivity = 1
+	supply_conversion_value = 0
 
 /datum/material/phorondragonscale
 	name = "phoron dragon scale"
@@ -32,6 +34,7 @@
 	protectiveness = 80
 	reflectivity = 0.8
 	conductivity = 1
+	supply_conversion_value = 0
 
 /datum/material/xenochitin
 	name = "xenochitin"
@@ -42,3 +45,4 @@
 	protectiveness = 40
 	reflectivity = 0.6
 	conductivity = 0.5
+	supply_conversion_value = 0