[MIRROR] Conversion many Globals to Managed Globals (Part 1) (#10665)

Co-authored-by: Selis <12716288+ItsSelis@users.noreply.github.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/modular_computers/file_system/computer_file.dm

@@ -1,4 +1,4 @@
-var/global/file_uid = 0
+GLOBAL_VAR_INIT(file_uid, 0)
 
 /datum/computer_file/
 	/// Placeholder. Whitespace and most special characters are not allowed.
@@ -26,8 +26,8 @@ var/global/file_uid = 0
 
 /datum/computer_file/New(list/md = null)
 	..()
-	uid = file_uid
-	file_uid++
+	uid = GLOB.file_uid
+	GLOB.file_uid++
 	if(islist(md))
 		metadata = md.Copy()
 

code/modules/modular_computers/laptop_vendor.dm

@@ -302,7 +302,7 @@
 		T.purpose = "Purchase of [(devtype == 1) ? "laptop computer" : "tablet microcomputer"]."
 		T.amount = total_price
 		T.source_terminal = src.name
-		T.date = current_date_string
+		T.date = GLOB.current_date_string
 		T.time = stationtime2text()
 		customer_account.transaction_log.Add(T)
 		return 1