Ports action button refactor from /tg/ (#24482)

* add the new stuff

* guh

* add the brunt of it

* action button stuff

* adds a lot of other stuff

* careful find and replace

* it loads

* so many huds

* ehh yeah this kinda works

* fixes this runtime

* hacks in some DMI stuff, we'll fix it later

* Adds better mouse pointer for dragging buttons

* gets dragging into place working again, updates DMI

* moves define

* remove extra hud defines, now it compiles

* CHECK GREP

* owww

* rename action defines

* ticks

* are we good

* let's try that again

* renames mob vars

* renames

* fixes some hud issues with huds getting the wrong variable

* fixes some alignment issues

* Adds mouse-wheel scroll support

* left -> right

* I am the entire circus

* first self-review pass

* Another review pass -- just realized I need to fix keybinds

* more testing

* update icons

* oops

* Fix spell icons not appearing properly

* fixes some outstanding issues
- Action button backgrounds now work properly
- Fixes some runtimes on dropping
- Fixes some misplaced icons

* hmm

* weh

* again?

* nah?

* maybe this?

* asdf

* should finally fix CI

* add client check

* move the ?

* add missing override causing runtimes

* shift-clicking now doesn't trigger the button

* better docs

code/modules/mod/mod_actions.dm

@@ -49,7 +49,7 @@
 	if(!ready && left_click)
 		ready = TRUE
 		button_icon_state = "activate-ready"
-		UpdateButtonIcon()
+		UpdateButtons()
 		addtimer(CALLBACK(src, PROC_REF(reset_ready)), 3 SECONDS)
 		return
 	var/obj/item/mod/control/mod = target
@@ -60,7 +60,7 @@
 /datum/action/item_action/mod/activate/proc/reset_ready()
 	ready = FALSE
 	button_icon_state = initial(button_icon_state)
-	UpdateButtonIcon()
+	UpdateButtons()
 
 /datum/action/item_action/mod/module
 	name = "Toggle Module"