Fixes #28022: mecha/AI/hologram bugs from #25078

PR #25078 introduced a few bugs related to AI eyes, mechs, and
holograms. This change fixes those bugs. Now, entering a mech with an
active hologram eye will first release that eye before granting control
of the mech. Double clicking on a turf as an AI while in a mech will no
longer unstick the camera from the mech. When exiting a mech, the AI
will now properly refocus on its core instead of on the spot that it
first entered the mech. AI holograms no longer receive normal audio
near their holopads, receiving only holopad-relayed speech now instead.
AIs will no longer be able to activate a holopad while occupying a mech.

code/_onclick/ai_onclick.dm

@@ -16,6 +16,7 @@
 		return
 
 	if(control_disabled || stat) return
+	if(ismecha(loc)) return
 
 	if(ismob(A))
 		ai_actual_track(A, TRUE)

code/game/machinery/hologram.dm

@@ -316,6 +316,8 @@ GLOBAL_LIST_EMPTY(holopads)
 		return
 	if(istype(robot))
 		interact(robot)
+	if(ismecha(ai.loc)) // AIs must exit mechs before activating holopads.
+		return
 	/*There are pretty much only three ways to interact here.
 	I don't need to check for client since they're clicking on an object.
 	This may change in the future but for now will suffice.*/

code/game/mecha/mecha.dm

@@ -1031,6 +1031,10 @@
 
 //Hack and From Card interactions share some code, so leave that here for both to use.
 /obj/mecha/proc/ai_enter_mech(mob/living/silicon/ai/AI, interaction)
+	var/mob/camera/eye/hologram/hologram_eye = AI.remote_control
+	if(istype(hologram_eye))
+		hologram_eye.release_control()
+		qdel(hologram_eye)
 	AI.aiRestorePowerRoutine = 0
 	AI.forceMove(src)
 	occupant = AI
@@ -1315,6 +1319,7 @@
 			RemoveActions(occupant, 1)
 			mob_container = AI
 			newloc = get_turf(AI.linked_core)
+			AI.eyeobj?.set_loc(newloc)
 			qdel(AI.linked_core)
 	else
 		return

code/modules/mob/camera/eye/hologram_eye.dm

@@ -2,7 +2,6 @@
 	name = "Inactive Hologram Eye"
 	ai_detector_visible = FALSE
 	acceleration = FALSE
-	relay_speech = TRUE
 	var/obj/machinery/hologram/holopad/holopad
 
 /mob/camera/eye/hologram/Initialize(mapload, owner_name, camera_origin, mob/living/user)