Fix prompt and color issue with cmd_spool

Changing spool setting caused problems with prompt and color. This
fix makes the following changes:

- Saves the color setting and re-applies it to the new output console
- Sets the prompt in the same way that cmd_use does

Author: jsherwood0

lib/msf/ui/console/command_dispatcher/core.rb

@@ -1503,14 +1503,24 @@ def cmd_spool(*args)
 			return
 		end
 
+		color = driver.output.config[:color]
+
 		if args[0] == "off"
 			driver.init_ui(driver.input, Rex::Ui::Text::Output::Stdio.new)
-			print_status("Spooling is now disabled")
-			return
+			msg = "Spooling is now disabled"
+		else
+			driver.init_ui(driver.input, Rex::Ui::Text::Output::Tee.new(args[0]))
+			msg = "Spooling to file #{args[0]}..."
 		end
 
-		driver.init_ui(driver.input, Rex::Ui::Text::Output::Tee.new(args[0]))
-		print_status("Spooling to file #{args[0]}...")
+		# Restore color and prompt
+		driver.output.config[:color] = color
+		prompt = framework.datastore['Prompt'] || Msf::Ui::Console::Driver::DefaultPrompt
+		prompt_char = framework.datastore['PromptChar'] || Msf::Ui::Console::Driver::DefaultPromptChar
+		driver.update_prompt("#{prompt} #{active_module.type}(%bld%red#{active_module.shortname}%clr) ", prompt_char, true)
+
+		print_status(msg)
+		return
 	end
 
 	def cmd_sessions_help