It took me a while to figure out the solution to this. If you use the shortcut [ctrl+shift+i] that will open the find panel with the direction set to reversed! If you press [ctrl+i] it will open the find panel with the direction forward as normal. This happened to me because [ctrl+shift+i] is also the same key binding in chrome to open the developer panel, and I accidentally pressed this in sublime. Anyways, really annoying! I'm definitely overriding this annoying key binding.
tl;dr press [ctrl+i], then go to your keybinding settings and unbind [ctrl+shift+i] by setting it to the command "unbound"