Brabus453 thank you for your message and feedback! On my community I was not able to see issue about this edit. Maybe the cause can be new post added outside of the sticky post or inside the sticky post? In my community there are not other user that create topics, etc.. so for me at the moment is working. Something should have caused the sticky post to not work.. are you able to try to understand what? Unfortunately I don't understand much of code.. I just tried to read this topic on Flarum, find where the fix can be done and find the right line... I don't like how sticky are working on Flarum and with this fix I am seeing how sticky should work in my opinion.. if sticky post loose his position than my fix is not fully working...
EDIT: I see the issue. If a new post are created the sticky one loose his position. If the page is refreshed the sticky take again the first position. I will try to look into this but difficult I will be able to fix.
Unable to fix: i tried also to replace all file and folders in the sticky folder extension with the super sticky files and folders. The issue persist, sorry... without the help of someone and the collaborations of the developers i cannot do much more.
The issue about new post get over sticky seems to be related to sticky of Flarum. Opened an issue flarum/core1751