Fix some ansible-lint complaints.

roles/gnome/tasks/main.yml

@@ -1,5 +1,5 @@
-#- name: gnome hibernate by default
-#  apt: name=gnome-shell-extension-suspend-button state=latest
+# - name: gnome hibernate by default
+#   apt: name=gnome-shell-extension-suspend-button state=latest # noqa package-latest
 
 - name: gnome desktop
   apt:
@@ -8,24 +8,32 @@
       - cups
       - ssh-askpass-gnome
       - gnome-shell-extension-dashtodock
-    state: latest
+    state: latest # noqa package-latest
 
 - name: make sure /etc/dconf/profile/ exists
-  file: path=/etc/dconf/profile/ state=directory recurse=yes
+  file:
+    path: /etc/dconf/profile/
+    state: directory
+    recurse: true
 
 - name: prepare for gnome customized defaults
   copy:
     src: user
     dest: /etc/dconf/profile/user
+    mode: 0644
   notify: update dconf
 
 - name: make sure /etc/dconf/db/local.d/ exists
-  file: path=/etc/dconf/db/local.d/ state=directory recurse=yes
+  file:
+    path: /etc/dconf/db/local.d/
+    state: directory
+    recurse: true
 
 - name: modify gnome defaults
   copy:
     src: defaults
     dest: /etc/dconf/db/local.d/defaults
+    mode: 0644
   notify: update dconf
 
 ## Bug #698504