Constant enum not treated as constant in java encoder #670
Description
Generated encoder put method for constant enum field incorrectly mutates the underlying buffer at offset 0. Decoder works as expected.
<message id="11" name="NewOrderSingleMarket" description="New Market Order inbound to Aquarius">
<field description="" id="1" name="OrdType" presence="constant" type="OrdType" valueRef="OrdType.MarketWithProtection"/>
public NewOrderSingleMarketEncoder ordType(OrdType value) {
this.buffer.putByte(this.offset + 0, (byte)value.value());
return this;
}