I was trying my best not to get caught in that one. Bravo. And yes I did.
I've been using a combination of LinkAce (https://www.linkace.org/) and a Chrome Extension I wrote as a browser start page (more out of desperation, really). It's why I'm always haunting products that look like they might fit. By trade Im more of an IT Ops exec / technical founder/co-founder but this is one of those rare dev things that I swear to God is so blatantly absent from the market that anything that is remotely close gets nearly obsessive attention from my ADHD dumbass.
/r/startpages is another subreddit to check out. They are far more of an open source / self-hosted crowd, but it should give you an idea of what I mean when I say "absent from the market".
**Browser bookmarklet** Instead of installing the 20th browser extension, LinkAce offers a neat and simple bookmarklet. Once saved in your bookmarks, a click will open a special form to add the current open website of your browser to LinkAce.
I don't think I wrote much about it. It works, but there's no way to say "just search bookmarks, not accounts". And I don't think you can search just in a single Group. So it probably would get pretty unwieldy for the size you're talking about. I think I have about 250 accounts and 300 bookmarks in my KeePass database.
Some special kinds of bookmarks (bookmarklets, fragments of Javascript code) and maybe other things (bookmarks to browser special pages such as about:config) don't really work smoothly from the password manager, you have to copy and paste them into the address bar.
I'd say you should look for a specialized bookmark manager. They do exist:
https://beebom.com/best-bookmark-managers/
https://www.topbestalternatives.com/best-bookmarks-managers/
I haven't used any. I read some articles such as https://beebom.com/best-bookmark-managers/ and https://www.topbestalternatives.com/best-bookmarks-managers/ and https://www.linkace.org/ but then decided I already had every feature I needed in my password manager.