Adds icons to some programs that don't have one (#12790)

* Added icons to some programs that didnt have one

Added icons to some programs that didn't have one, those being the bounty board, energy harvester controller, and portrait painter

* Changes one of the icons so its not a duplicate

Didn't know this one was used already

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

@@ -8,6 +8,7 @@
 	network_destination = "bounty board interface"
 	size = 10
 	tgui_id = "NtosRequestKiosk"
+	program_icon = "comments-dollar"
 	///Reference to the currently logged in user.
 	var/datum/bank_account/current_user
 	///The station request datum being affected by UI actions.

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

@@ -10,6 +10,7 @@
 	network_destination = "energy harvester controller"
 	size = 1
 	tgui_id = "NtosEnergyHarvesterController"
+	program_icon = "charging-station"
 
 	var/status
 	var/obj/item/energy_harvester/moneysink

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

@@ -18,6 +18,7 @@
 	requires_ntnet = TRUE
 	size = 9
 	tgui_id = "NtosPortraitPrinter"
+	program_icon = "palette"
 
 /datum/computer_file/program/portrait_printer/ui_data(mob/user)
 	var/list/data = list()