MODLink System (+ NWTLMM) (#77639)

## About The Pull Request
A pact made with `@Kapu1178`
Small changes you should not care about:
RD MODsuit outfit (admin only) no longer has a beret that blocks the
activation of the suit
The beret used by death squad officers no longer is blocked from being
put on a hat stabilizer module
Admins can now Shear matrices of objects in Modify Transform
Multitool buffers have been a little refactored to use a setter proc
that saves them from causing hard dels
Cooler stuff:
A revival and remake of [Nobody Wants To Learn Matrix
Math](https://github.com/tgstation/tgstation/pull/59103), this time with
additional tooling for quick matrix calculations.

![image](https://github.com/tgstation/tgstation/assets/23585223/eb387738-0839-463a-aed8-4703d139b11a)
The MODLink system, available through every MODsuit and MODLink scryers
(a neck item obtainable from advanced modsuit research or
charliestation)
Let's you make a holographic call with any other MODLink user, where you
can chat in realtime and see what's up with em

![image](https://github.com/tgstation/tgstation/assets/23585223/5a822f9f-e823-497e-b766-40055f2fc0d6)
![image](https://github.com/tgstation/tgstation/assets/23585223/062983ee-6058-4e78-a3aa-bccda1a3e224)


## Why It's Good For The Game
Adds a fun way for the crew to communicate with each other that can be
done in real-time with relative privacy compared to radio.

## Changelog
🆑 Fikou, Armhulen, Sheets (+rep for Mothblocks and Potato)
fix: RD MODsuit outfit (admin only) no longer has a beret that blocks
the activation of the suit
fix: The beret used by death squad officers no longer is blocked from
being put on a hat stabilizer module
admin: Admins can now Shear matrices of objects in Modify Transform
admin: Admins now have access to Test Matrices in the VV dropdown, an
all-in-one tool for editing transforms.
add: MODLink system, available through scryers (from RnD and Charlie
Station) and through MODsuits. Lets you call people with holographs!
/🆑

code/modules/admin/view_variables/nobody_wants_to_learn_matrix_math.dm

@@ -0,0 +1,80 @@
+
+/**
+ * ## nobody wants to learn matrix math!
+ *
+ * More than just a completely true statement, this datum is created as a tgui interface
+ * allowing you to modify each vector until you know what you're doing.
+ * Much like filteriffic, 'nobody wants to learn matrix math' is meant for developers like you and I
+ * to implement interesting matrix transformations without the hassle if needing to know... algebra? Damn, i'm stupid.
+ */
+/datum/nobody_wants_to_learn_matrix_math
+	var/atom/target
+	var/matrix/testing_matrix
+
+/datum/nobody_wants_to_learn_matrix_math/New(atom/target)
+	src.target = target
+	testing_matrix = matrix(target.transform)
+
+/datum/nobody_wants_to_learn_matrix_math/Destroy(force, ...)
+	QDEL_NULL(testing_matrix)
+	return ..()
+
+/datum/nobody_wants_to_learn_matrix_math/ui_state(mob/user)
+	return GLOB.admin_state
+
+/datum/nobody_wants_to_learn_matrix_math/ui_close(mob/user)
+	qdel(src)
+
+/datum/nobody_wants_to_learn_matrix_math/ui_interact(mob/user, datum/tgui/ui)
+	ui = SStgui.try_update_ui(user, src, ui)
+	if(!ui)
+		ui = new(user, src, "MatrixMathTester")
+		ui.open()
+
+/datum/nobody_wants_to_learn_matrix_math/ui_data()
+	var/list/data = list()
+	data["matrix_a"] = testing_matrix.a
+	data["matrix_b"] = testing_matrix.b
+	data["matrix_c"] = testing_matrix.c
+	data["matrix_d"] = testing_matrix.d
+	data["matrix_e"] = testing_matrix.e
+	data["matrix_f"] = testing_matrix.f
+	data["pixelated"] = target.appearance_flags & PIXEL_SCALE
+	return data
+
+/datum/nobody_wants_to_learn_matrix_math/ui_act(action, list/params)
+	. = ..()
+	if(.)
+		return
+
+	switch(action)
+		if("change_var")
+			var/matrix_var_name = params["var_name"]
+			var/matrix_var_value = params["var_value"]
+			if(testing_matrix.vv_edit_var(matrix_var_name, matrix_var_value) == FALSE)
+				to_chat(src, "Your edit was rejected by the object. This is a bug with the matrix tester, not your fault, so report it on github.", confidential = TRUE)
+				return
+			set_transform()
+		if("scale")
+			testing_matrix.Scale(params["x"], params["y"])
+			set_transform()
+		if("translate")
+			testing_matrix.Translate(params["x"], params["y"])
+			set_transform()
+		if("shear")
+			testing_matrix.Shear(params["x"], params["y"])
+			set_transform()
+		if("turn")
+			testing_matrix.Turn(params["angle"])
+			set_transform()
+		if("toggle_pixel")
+			target.appearance_flags ^= PIXEL_SCALE
+
+/datum/nobody_wants_to_learn_matrix_math/proc/set_transform()
+	animate(target, transform = testing_matrix, time = 0.5 SECONDS)
+	testing_matrix = matrix(target.transform)
+
+/client/proc/open_matrix_tester(atom/in_atom)
+	if(holder)
+		var/datum/nobody_wants_to_learn_matrix_math/matrix_tester = new(in_atom)
+		matrix_tester.ui_interact(mob)