FRLG Elite Four Farmer: move cursor detection, opponent name reading, early reset on faint

[thewhitewolfking]

Follow-up to #1536, addressing review feedback.

• Move selection: the move cursor is detected (new BattleMoveSelectionArrow boxes plus a unit test) and moved with move_cursor_to_option instead of blind d-pad presses. It falls back to the old presses if the arrow isn't found.
• Opponent reading: each turn the opponent's name is read (WildEncounterReader, new Game Language option) and checked against every species in the attacker's move table. This handles survivors, and trainer switch-outs, which happen in rematches.
• Early reset: if the attacker faints (HP box gone, or the party screen opens after a fade), the run counts as a loss and the game soft resets right away. The program stops after 5 losses in a row with a setup message.

Tested on Switch with Mewtwo (full loops) and an under-built Lapras. The Lapras test showed trainer switching, survivors, and a faint followed by a reset.

Test images: PokemonAutomation/CommandLineTests#27

[Dalton-V]

Thanks for getting these suggestions added so quickly!

If you have the time.. I've added a few more test images for the E4 rooms that need to get added to the tests. If not, no worries. I'll probably have time to update the tests this weekend.