My Flatpak Firefox v. 132 freezes regularly especially if I'm on a site with lots of images and videos (like YouTube).

I was told by another user that copying everything from the original profile's directory (profile1) to a newly created profile's directory (profile2) stopped the freezing issues for them:

/home/mario/.var/app/org.mozilla.firefox/cache/mozilla/firefox/profile1/

/home/mario/.var/app/org.mozilla.firefox/cache/mozilla/firefox/profile2/

However, after copying data from profile1's directory to profile2's directory, setting profile2 as the default profile in about:profiles, and restarting Flatpak Firefox, profile2 doesn't load up any of my bookmarks, bookmark folders, passwords, or extensions from profile1—Firefox runs as if it was freshly installed (it guides me through the process of importing bookmarks, passwords, etc.).

How do I resolve this issue?

Edit 1: I think that I may have gotten it to work. I transferred files from:

/home/mario/.var/app/org.mozilla.firefox/.mozilla/firefox/profile1/

to

/home/mario/.var/app/org.mozilla.firefox/.mozilla/firefox/profile2/

And everything seems to be working. I'll test this out and update this post to let you guys know if it really worked or not.