Thanks for this amazing tool!

The issue is as following:
If there are two virtual hosts (Server blocks) serving two host names or subdomains:

sd1.domain.com
sd2.domain.com

When the configuration is generated using the nginxconfig and if HTTP to HTTPS redirect is enabled following server block gets generated for each host:

--- For virtual host 1
# HTTP redirect
server {
  

The comment says functions return pointers for malloc-ed buffers, but the implementations don't seem like so.
https://github.com/apache/trafficserver/blob/c196db5f0a5b957983351ad51ef360bfc68fbd66/include/tscore/ink_base64.h#L34-L35

I'm submitting a ...

• improvement request (usability, performance, tech debt, etc.)

Traffic Control components affected ...

• Traffic Portal

Current behavior:

When adding a server capability to a server or adding a required capability to a delivery service, the dropdown list includes capabilities that have already been added to the server/delivery service.

New behavior: