Add MtU and complexity sorting buttons

src/main/kotlin/ru/dbotthepony/mc/otm/client/render/Widgets18.kt

@@ -42,6 +42,8 @@ object Widgets18 {
 	val SORT_COUNT = storageGrid.next()
 	val SORT_MODID = storageGrid.next()
 	val SORT_ID = storageGrid.next()
+	val SORT_MATTER_VALUE = storageGrid.next()
+	val SORT_MATTER_COMPLEXITY = storageGrid.next()
 
 	private val miscGrid = WidgetLocation.MISC_18.grid(4, 4)
 

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/matter/MatterPanelScreen.kt

@@ -67,6 +67,9 @@ class MatterPanelScreen(
 			it.add(ItemSorter.NAME, skinElement = Widgets18.SORT_ALPHABET, tooltip = ItemSorter.NAME.title)
 			it.add(ItemSorter.ID, skinElement = Widgets18.SORT_ID, tooltip = ItemSorter.ID.title)
 			it.add(ItemSorter.MOD, skinElement = Widgets18.SORT_MODID, tooltip = ItemSorter.MOD.title)
+			it.add(ItemSorter.MATTER_VALUE, skinElement = Widgets18.SORT_MATTER_VALUE, tooltip = ItemSorter.MATTER_VALUE.title)
+			it.add(ItemSorter.MATTER_COMPLEXITY, skinElement = Widgets18.SORT_MATTER_COMPLEXITY, tooltip = ItemSorter.MATTER_COMPLEXITY.title)
+			it.finish()
 		}
 
 		val scrollBar = DiscreteScrollBarPanel(this, frame, {