Missing "topic-list-after-columns" raw plugin outlet

[Arkshine]

Hi,

I checked topic-list templates and noticed outlets before/after in the table header template, but it misses the after one in the column template.

https://github.com/discourse/discourse/blob/main/app/assets/javascripts/discourse/app/templates/topic-list-header.hbr

https://github.com/discourse/discourse/blob/main/app/assets/javascripts/discourse/app/templates/list/topic-list-item.hbr

Is it okay to open a PR to fix this inconsistency?

[vinothkannans (Vinoth Kannan)]

DEV: add raw plugin outlet to create new topic list item columns.

I created a new PR above.