Refactor application_handler to use DI

Author: codefiles

archinstall/lib/applications/application_handler.py

@@ -44,6 +44,3 @@ def install_applications(self, install_session: Installer, app_config: Applicati
 				install_session,
 				app_config.firewall_config,
 			)
-
-
-application_handler = ApplicationHandler()

archinstall/scripts/guided.py

@@ -2,7 +2,7 @@
 import time
 from pathlib import Path
 
-from archinstall.lib.applications.application_handler import application_handler
+from archinstall.lib.applications.application_handler import ApplicationHandler
 from archinstall.lib.args import arch_config_handler
 from archinstall.lib.authentication.authentication_handler import AuthenticationHandler
 from archinstall.lib.configuration import ConfigurationOutput
@@ -55,6 +55,7 @@ def perform_installation(
 	mountpoint: Path,
 	mirror_list_handler: MirrorListHandler,
 	auth_handler: AuthenticationHandler,
+	application_handler: ApplicationHandler,
 ) -> None:
 	"""
 	Performs the installation steps on a block device.
@@ -224,6 +225,7 @@ def guided() -> None:
 		arch_config_handler.args.mountpoint,
 		mirror_list_handler,
 		AuthenticationHandler(),
+		ApplicationHandler(),
 	)