Fix stacksize being shared by different item stacks

src/main/kotlin/moe/nea/firmament/rei/SBItemEntryDefinition.kt

@@ -47,6 +47,10 @@ data class SBItemStack(
 
 object SBItemEntryDefinition : EntryDefinition<SBItemStack> {
     override fun equals(o1: SBItemStack, o2: SBItemStack, context: ComparisonContext): Boolean {
+        if (!context.isFuzzy) {
+            if (o1.stackSize != o2.stackSize)
+                return false
+        }
         return o1.skyblockId == o2.skyblockId
     }
 
@@ -73,7 +77,7 @@ object SBItemEntryDefinition : EntryDefinition<SBItemStack> {
 
     override fun hash(entry: EntryStack<SBItemStack>, value: SBItemStack, context: ComparisonContext): Long {
         // Repo items are immutable, and get replaced entirely when loaded from disk
-        return value.skyblockId.hashCode() * 31L
+        return value.skyblockId.hashCode() * 31L + if (!context.isExact) value.stackSize else 0
     }
 
     override fun wildcard(entry: EntryStack<SBItemStack>?, value: SBItemStack): SBItemStack {