Fixes runtimes & some cleanup (#48776)

* Keyless emote sanity.

* Camera bug runtime

* SM runtime

* Removes random <br>'s in atmos logs

* light spark runtime

* uranium splashing on walls runtime

* throwing clown with clown shoes runtime.

* beam rifle runtime

* Don't warn on mesageless keyless emotes.

* Fixup

code/game/objects/items/devices/camera_bug.dm

@@ -39,7 +39,7 @@
 	get_cameras()
 	for(var/cam_tag in bugged_cameras)
 		var/obj/machinery/camera/camera = bugged_cameras[cam_tag]
-		if(camera.bug == src)
+		if(camera && camera.bug == src)
 			camera.bug = null
 	bugged_cameras = list()
 	if(tracking)
@@ -95,6 +95,8 @@
 			html = "<h3>Select a camera:</h3> <a href='?src=[REF(src)];view'>\[Cancel camera view\]</a><hr><table>"
 			for(var/entry in cameras)
 				var/obj/machinery/camera/C = cameras[entry]
+				if(QDELETED(C))
+					continue
 				var/functions = ""
 				if(C.bug == src)
 					functions = " - <a href='?src=[REF(src)];monitor=[REF(C)]'>\[Monitor\]</a> <a href='?src=[REF(src)];emp=[REF(C)]'>\[Disable\]</a>"