[Bug] use xml configration can't set protocol to tri

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Apache Dubbo Component

Java SDK (apache/dubbo)

Dubbo Version

Dubbo Java 3.2.10

Steps to reproduce this issue

application.properties

dubbo.consumer.mesh-enable: true

consumer.xml

<dubbo:reference
        interface="io.daocloud.DemoService"
        id="demoService"
        provided-by="demoService"
        provider-port="20880"
        protocol="tri"/>

but

What you expected to happen

use dubbo prorocol in xml configration. so how to configration triple protocol in xml?

Anything else

No response

Are you willing to submit a pull request to fix on your own?

[ ] Yes I am willing to submit a pull request on my own!

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apache / dubbo

[Bug] use xml configration can't set protocol to tri #13954