teslas now fizzle at 0 energy and adds admin log for fizzles

fixing the tesla engine 100% speedrun world record

code/__DEFINES/logging.dm

@@ -6,6 +6,7 @@
 #define INVESTIGATE_GRAVITY			"gravity"
 #define INVESTIGATE_RECORDS			"records"
 #define INVESTIGATE_SINGULO			"singulo"
+#define INVESTIGATE_TESLA			"tesla"
 #define INVESTIGATE_SUPERMATTER		"supermatter"
 #define INVESTIGATE_TELESCI			"telesci"
 #define INVESTIGATE_WIRES			"wires"

code/modules/power/tesla/energy_ball.dm

@@ -148,6 +148,10 @@
 	else if(orbiting_balls.len)
 		dissipate() //sing code has a much better system.
 
+		if(energy<=0)
+			investigate_log("fizzled.", INVESTIGATE_TESLA)
+			qdel(src)
+
 /obj/singularity/energy_ball/proc/new_mini_ball()
 	if(!loc)
 		return