[MIRROR] PDA general maintenance (NTNet downloader rework) [MDB IGNORE] (#25133)

* PDA general maintenance (NTNet downloader rework)

* Update modular_computer.dm

* e

* weh

* Update archive_viewer.dm

* Update three_layer_hats.json

---------

Co-authored-by: John Willard <53777086+JohnFulpWillard@users.noreply.github.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>

code/modules/modular_computers/file_system/programs/robotact.dm

@@ -1,10 +1,10 @@
 /datum/computer_file/program/robotact
 	filename = "robotact"
 	filedesc = "RoboTact"
-	category = PROGRAM_CATEGORY_SCI
+	downloader_category = PROGRAM_CATEGORY_SCIENCE
 	extended_desc = "A built-in app for cyborg self-management and diagnostics."
 	ui_header = "robotact.gif" //DEBUG -- new icon before PR
-	program_icon_state = "command"
+	program_open_overlay = "command"
 	requires_ntnet = FALSE
 	available_on_ntnet = FALSE
 	undeletable = TRUE
@@ -21,7 +21,7 @@
 	if(.)
 		var/obj/item/modular_computer/pda/silicon/tablet = computer
 		if(tablet.device_theme == PDA_THEME_SYNDICATE)
-			program_icon_state = "command-syndicate"
+			program_open_overlay = "command-syndicate"
 		return TRUE
 	return FALSE