add missing PlayerAuthInputData, use zeroed BigInteger while writing large VarInt (#269)

Author: tahmid-23

bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/codec/v766/BedrockCodecHelper_v766.java

@@ -34,7 +34,7 @@ public <T extends Enum<?>> void readLargeVarIntFlags(ByteBuf buffer, Set<T> flag
 
     @Override
     public <T extends Enum<?>> void writeLargeVarIntFlags(ByteBuf buffer, Set<T> flags, Class<T> clazz) {
-        BigInteger flagsInt = new BigInteger(clazz.getEnumConstants().length, ThreadLocalRandom.current());
+        BigInteger flagsInt = BigInteger.ZERO;
         for (T flag : flags) {
             flagsInt = flagsInt.setBit(flag.ordinal());
         }

bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/data/PlayerAuthInputData.java

@@ -125,6 +125,10 @@ public enum PlayerAuthInputData {
      * @since v748
      */
     STOP_SPIN_ATTACK,
+    /**
+     * @since v766
+     */
+    HOTBAR_ONLY_TOUCH,
     /**
      * @since v766
      */