Corrupt worlds and two Minecrafts installed on one device

Around the 1.19 update my minecraft split in two so I had two Minecrafts downloaded, everything worked fine but I was just confused as to why there were two, so eventually I deleted both, but when I reinstalled it almost all of my worlds were grayed out (corrupted for something) and I couldn't load or edit them, then the second Minecraft downloaded again, I have no idea what's going on, any advice?