Relaymove tweaks (#19489)

Made relaymoves uniform in function header and non sleepable.
Improved IPC/borg recharger, made it time constant.
Tweaked client/Move() to avoid a range(), moved a relaymove around to
fix a bug, some minor tweaks.
Fixed IPC/borg recharge station not taking the IPC/Borg in on bump.

code/game/atom/_atom.dm

@@ -123,6 +123,18 @@
 
 	return (!density || !height || air_group)
 
+/**
+ * An atom we are buckled or is contained within us has tried to move
+ */
+/atom/proc/relaymove(mob/living/user, direction)
+	SHOULD_NOT_SLEEP(TRUE)
+	SHOULD_CALL_PARENT(TRUE)
+
+	if(SEND_SIGNAL(src, COMSIG_ATOM_RELAYMOVE, user, direction) & COMSIG_BLOCK_RELAYMOVE)
+		return FALSE
+	return TRUE
+
+
 /**
  * An atom has entered this atom's contents
  *