The Witness: Implement "Variety" puzzles mode (#3239)

* Variety Rando (But WitnessLogicVariety.txt is wrong

* Actually variety the variety file (Ty Exempt-Medic <3)

* This will be preopened

* Tooltip explaining the different difficulties

* Remove ?, those were correct

* Less efficient but easier to follow

* Parentheses

* Fix some reqs

* Not Arrows in Variety

* Oops

* Happy medic, I made a wacky solution

* there we go

* Lint oops

* There

* that copy is unnecessary

* Turns out that copy is necessary still

* yes

* lol

* Rename to Umbra Variety

* missed one

* Erase the Eraser

* Fix remaining instances of 'variety' and don't have a symbol item on the gate in variety

* reorder difficulties

* inbetween

* ruff

* Fix Variety Invis requirements

* Fix wooden beams variety

* Fix PP2 variety

* Mirror changes from 'Variety Mode Puzzle Change 3.2.3'

* These also have Symmetry

* merge error prevention

* Update worlds/witness/data/static_items.py

Co-authored-by: Exempt-Medic <60412657+Exempt-Medic@users.noreply.github.com>

* no elif after return

* add variety to the symbol requirement bleed test

* Add variety to one of the 'other settings' unit tests

* Add Variety minimal symbols unittest

* oops

* I did the dumb again

* .

* Incorporate changes from other PR into WitnesLogicVariety.txt

* Update worlds/witness/data/WitnessLogicVariety.txt

Co-authored-by: Exempt-Medic <60412657+Exempt-Medic@users.noreply.github.com>

* Update worlds/witness/data/WitnessLogicVariety.txt

Co-authored-by: Exempt-Medic <60412657+Exempt-Medic@users.noreply.github.com>

* Update the reqs as well haha

* Another difference, thanks Medic :§

* Wait no, this one was right

* lol

* apply changes to WitnessLogicVariety.txt

* Add most recent Variety changes

* oof

---------

Co-authored-by: Exempt-Medic <60412657+Exempt-Medic@users.noreply.github.com>

worlds/witness/options.py

@@ -250,10 +250,15 @@ class PanelHuntDiscourageSameAreaFactor(Range):
 class PuzzleRandomization(Choice):
     """
     Puzzles in this randomizer are randomly generated. This option changes the difficulty/types of puzzles.
+    "Sigma Normal" randomizes puzzles close to their original mechanics and difficulty.
+    "Sigma Expert" is an entirely new experience with extremely difficult random puzzles. Do not underestimate this mode, it is brutal.
+    "Umbra Variety" focuses on unique symbol combinations not featured in the original game. It is harder than Sigma Normal, but easier than Sigma Expert.
+    "None" means that the puzzles are unchanged from the original game.
     """
     display_name = "Puzzle Randomization"
     option_sigma_normal = 0
     option_sigma_expert = 1
+    option_umbra_variety = 3
     option_none = 2