Fixes #10314

Replaces every check for a hardcoded material stack type with a check
for material of the stack.

code/modules/materials/material_sheets.dm

@@ -44,6 +44,8 @@
 
 /obj/item/stack/material/proc/update_strings()
 	// Update from material datum.
+	singular_name = material.sheet_singular_name
+	
 	if(amount>1)
 		name = "[material.use_name] [material.sheet_plural_name]"
 		desc = "A stack of [material.use_name] [material.sheet_plural_name]."

code/modules/materials/materials.dm

@@ -28,10 +28,16 @@
 var/list/name_to_material
 
 //Returns the material the object is made of, if applicable.
-//Will we ever need to return more than one value here?
+//Will we ever need to return more than one value here? Or should we just return the "dominant" material.
 /obj/proc/get_material()
 	return null
 
+//mostly for convenience
+/obj/proc/get_material_name()
+	var/material/material = get_material()
+	if(material)
+		return material.name
+
 // Builds the datum list above.
 /proc/populate_material_list(force_remake=0)
 	if(name_to_material && !force_remake) return // Already set up!
@@ -49,6 +55,12 @@ var/list/name_to_material
 		populate_material_list()
 	return name_to_material[name]
 
+/proc/material_display_name(name)
+	var/material/material = get_material_by_name(name)
+	if(material)
+		return material.display_name
+	return null
+
 // Material definition and procs follow.
 /material
 	var/name	                          // Unique name for use in indexing the list.