show-resources operation of jaxrs subsystem shows wrong path in resource-methods attribute

Description of problem:
Show-resources operation of jaxrs subsystem shows wrong path in resource-methods attribute. There are double slash in path. Eg.: "/jaxrs-eap//sample", but correct path is "/jaxrs-eap/sample" (http://localhost:8080/jaxrs-eap/sample)

This operation was added by WFLY-3045.

How reproducible:
Always

Steps to Reproduce:

1. ./standalone.sh
2. deploy /home/mkopecky/playground/resteasy/single-application/target/jaxrs-eap.war
3. /deployment=jaxrs-eap.war/subsystem=jaxrs:show-resources

Actual results:

...
"resource-methods" => ["GET /jaxrs-eap//sample - org.resteasy.simple.deployment.AdvancedService.get()"]
...

Expected results:

...
"resource-methods" => ["GET /jaxrs-eap/sample - org.resteasy.simple.deployment.AdvancedService.get()"]
...