[MIRROR] some code cleanup (#12946)

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/modules/lootpanel/_lootpanel.dm

@@ -73,7 +73,7 @@
 
 	switch(action)
 		if("grab")
-			return grab(usr, params)
+			return grab(ui.user, params)
 		if("refresh")
 			return populate_contents()
 

code/modules/lootpanel/misc.dm

@@ -7,8 +7,8 @@
 		var/build = owner.byond_build
 		var/version = owner.byond_version
 		if(build < 515 || (build == 515 && version < 1635))
-			to_chat(owner.mob, span_info("\
-				<span class='bolddanger'>Your version of Byond doesn't support fast image loading.</span>\n\
+			to_chat(owner.mob, span_info(span_bolddanger("\
+				Your version of Byond doesn't support fast image loading.") + ")\n\
 				Detected: [version].[build]\n\
 				Required version for this feature: <b>515.1635</b> or later.\n\
 				Visit <a href=\"https://secure.byond.com/download\">BYOND's website</a> to get the latest version of BYOND.\n\