Fix empty compound reading

common/src/main/java/us/myles/ViaVersion/api/minecraft/nbt/TagStringReader.java

@@ -65,6 +65,11 @@ import java.util.stream.IntStream;
     public CompoundTag compound() throws StringTagParseException {
         this.buffer.expect(Tokens.COMPOUND_BEGIN);
         final CompoundTag compoundTag = new CompoundTag("");
+        if (this.buffer.peek() == Tokens.COMPOUND_END) {
+            this.buffer.take();
+            return compoundTag;
+        }
+
         while (this.buffer.hasMore()) {
             final String key = this.key();
             final Tag tag = this.tag();

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/data/ComponentRewriter1_13.java

@@ -39,10 +39,9 @@ public class ComponentRewriter1_13 extends ComponentRewriter {
         CompoundTag tag;
         try {
             tag = BinaryTagIO.readString(text);
-        } catch (IOException e) {
+        } catch (Exception e) {
             Via.getPlatform().getLogger().warning("Error reading NBT in show_item:" + text);
-            e.printStackTrace();
-            return;
+            throw new RuntimeException(e);
         }
 
         CompoundTag itemTag = tag.get("tag");