improve icons meson file

data/icons/meson.build

@@ -1,28 +1,32 @@
 application_id = 'io.github.vanilla-os.FirstSetup'
 
+
 scalable_dir = join_paths('hicolor', 'scalable', 'apps')
+symbolic_dir = join_paths('hicolor', 'symbolic')
+actions_dir = join_paths(symbolic_dir, 'actions')
+
+
 install_data(
   join_paths(scalable_dir, ('@0@.svg').format(application_id)),
   install_dir: join_paths(get_option('datadir'), 'icons', scalable_dir)
 )
 
-symbolic_dir = join_paths('hicolor', 'symbolic')
+
 install_data(
   join_paths(symbolic_dir, 'apps', ('@0@-symbolic.svg').format(application_id)),
   install_dir: join_paths(get_option('datadir'), 'icons', symbolic_dir)
 )
 
+
 install_data(
-    join_paths(symbolic_dir, 'actions', 'vanilla-container-terminal-symbolic.svg'),
+    join_paths(actions_dir, 'vanilla-container-terminal-symbolic.svg'),
     install_dir: join_paths(get_option('datadir'), 'icons', 'hicolor', 'scalable', 'actions')
 )
-
 install_data(
-    join_paths(symbolic_dir, 'actions', 'vanilla-package-symbolic.svg'),
+    join_paths(actions_dir, 'vanilla-package-symbolic.svg'),
     install_dir: join_paths(get_option('datadir'), 'icons', 'hicolor', 'scalable', 'actions')
 )
-
 install_data(
-    join_paths(symbolic_dir, 'actions', 'vanilla-puzzle-piece-symbolic.svg'),
+    join_paths(actions_dir, 'vanilla-puzzle-piece-symbolic.svg'),
     install_dir: join_paths(get_option('datadir'), 'icons', 'hicolor', 'scalable', 'actions')
 )