custom_build.sh does not install correctly official plugins for nightly releases anymore

[lpasquali]

step to reproduce:

• add some plugins both ext and community:

    download_plugin ext jp2k
    download_plugin ext control-flow
    download_plugin ext libjpeg-turbo
    download_plugin community opensearch-eo

• run custom_build.sh like this:

./custom_build.sh my-docker-tag 2.18.x 2.18.x nodatadir no_pull

as a result only community plugin will be installed.

[lpasquali]

problem is in lines here looking at the case there seem to be 4 categories of choice (with one nested with an if) but there should be only 3 where:

• Version has an x as minor.
• Version is equal to "main".
• Version is anything else.

[randomorder]

please fix it once and for all and port the change to the PR for the official docker image for geoserver @lpasquali

[lpasquali]

made PR: #58

@randomorder let me know so when merged I will align with the official

[randomorder]

merged
please close the issue when done

[lpasquali]

what's missing: port to official docker image

[lpasquali]

@randomorder synced with offiial PR can be closed

[randomorder]

thanks