Port TG pointing to inventory thought bubble, and expand valid pointing targets (#19072)

* Well that actually works

* Update atoms_movable.dm

* Now you can point at things inside of things.

code/modules/client/preference/link_processing.dm

@@ -963,6 +963,12 @@
 						var/mob/living/carbon/human/H = usr
 						H.remake_hud()
 
+				if("thought_bubble")
+					toggles2 ^= PREFTOGGLE_2_THOUGHT_BUBBLE
+					if(length(parent?.screen))
+						var/obj/screen/plane_master/point/PM = locate(/obj/screen/plane_master/point) in parent.screen
+						PM.backdrop(parent.mob)
+
 				if("be_special")
 					var/r = href_list["role"]
 					if(r in GLOB.special_roles)

code/modules/client/preference/preferences.dm

@@ -423,6 +423,7 @@ GLOBAL_LIST_INIT(special_role_times, list( //minimum age (in days) for accounts
 			dat += "<b>Play Admin MIDIs:</b> <a href='?_src_=prefs;preference=hear_midis'><b>[(sound & SOUND_MIDI) ? "Yes" : "No"]</b></a><br>"
 			dat += "<b>Play Lobby Music:</b> <a href='?_src_=prefs;preference=lobby_music'><b>[(sound & SOUND_LOBBY) ? "Yes" : "No"]</b></a><br>"
 			dat += "<b>Randomized Character Slot:</b> <a href='?_src_=prefs;preference=randomslot'><b>[toggles2 & PREFTOGGLE_2_RANDOMSLOT ? "Yes" : "No"]</b></a><br>"
+			dat += "<b>Thought Bubble:</b> <a href='?_src_=prefs;preference=thought_bubble'>[(toggles2 & PREFTOGGLE_2_THOUGHT_BUBBLE) ? "Yes" : "No"]</a><br>"
 			dat += "<b>Window Flashing:</b> <a href='?_src_=prefs;preference=winflash'>[(toggles2 & PREFTOGGLE_2_WINDOWFLASHING) ? "Yes" : "No"]</a><br>"
 			// RIGHT SIDE OF THE PAGE
 			dat += "</td><td width='300px' height='300px' valign='top'>"