Increase error logging to diagnose server conking (#15662)

* Increase error logging to diagnose server conking

* more logging and db retry

* whoops

* rename error() to log_error() to better reflect what it does
Move a bunch of world.log messages to log_error

* Fix compile error

---------

Co-authored-by: Werner <Arrow768@users.noreply.github.com>

code/datums/mind.dm

@@ -83,7 +83,7 @@
 
 /datum/mind/proc/transfer_to(mob/living/new_character)
 	if(!istype(new_character))
-		world.log <<  "## DEBUG: transfer_to(): Some idiot has tried to transfer_to( a non mob/living mob. Please inform Carn"
+		log_error("## DEBUG: transfer_to(): Some idiot has tried to transfer_to( a non mob/living mob. Please inform Carn")
 	var/datum/changeling/changeling = antag_datums[MODE_CHANGELING]
 	var/datum/vampire/vampire = antag_datums[MODE_VAMPIRE]
 	if(current)					//remove ourself from our old body's mind variable

code/datums/observation/observation.dm

@@ -216,8 +216,8 @@
 				try
 					call(listener, proc_call)(arglist(args))
 				catch (var/exception/e)
-					error("[e.name] - [e.file] - [e.line]")
-					error(e.desc)
+					log_error("[e.name] - [e.file] - [e.line]")
+					log_error(e.desc)
 					unregister_global(listener, proc_call)
 
 	// Call the listeners for this specific event source, if they exist.
@@ -232,8 +232,8 @@
 				try
 					call(listener, proc_call)(arglist(args))
 				catch (var/exception/e)
-					error("[e.name] - [e.file] - [e.line]")
-					error(e.desc)
+					log_error("[e.name] - [e.file] - [e.line]")
+					log_error(e.desc)
 					unregister(source, listener, proc_call)
 
 	return TRUE

code/datums/repositories/unique.dm

@@ -51,7 +51,7 @@ var/repository/unique/uniqueness_repository = new()
 		ids_by_key[key] = ids
 
 	if(ids.len >= (max - min) + 1)
-		error("Random ID limit reached for key [key].")
+		log_error("Random ID limit reached for key [key].")
 		ids.Cut()
 
 	if(ids.len >= 0.6 * ((max-min) + 1)) // if more than 60% of possible ids used