Modular PDA tweaks and bugfixes (#10440)

rscadd: "Handheld modular computers now use flashlights as a light source. They may be turned on/off via a button in the PC header, and have their brightness adjusted in Hardware Configuration."
    tweak: Message notifications should be much larger.
    tweak: "Chat messages are now logged to the NTNet Monitoring program."
    bugfix: "IDs are now unregistered from computers when the computer is destroyed."
    bugfix: "Fix Eject Battery having a global view range."
    bugfix: "Chat Clients are no longer set to 'silent' by default."
    backend: "Added a new slider component for VueUIs."

Closes #10439

code/modules/modular_computers/computers/modular_computer/ui.dm

@@ -68,12 +68,16 @@
 	if(href_list["PC_enable_component"])
 		var/obj/item/computer_hardware/H = find_hardware_by_name(href_list["PC_enable_component"])
 		if(H && istype(H) && !H.enabled)
-			H.enabled = TRUE
+			H.enable()
 		. = TRUE
 	if(href_list["PC_disable_component"])
 		var/obj/item/computer_hardware/H = find_hardware_by_name(href_list["PC_disable_component"])
 		if(H && istype(H) && H.enabled)
-			H.enabled = 0
+			H.disable()
+		. = TRUE
+	if(href_list["PC_togglelight"])
+		if(flashlight)
+			flashlight.toggle()
 		. = TRUE
 	if(href_list["PC_shutdown"])
 		shutdown_computer()