feat(bootstrap): per-os desktop apps, KDE plasma-login-manager and DM resolution

roles/bootstrap/tasks/_desktop.yml

@@ -9,6 +9,8 @@
     _family_pkgs: "{{ bootstrap_desktop_packages[os_family] | default({}) }}"
     _de_config: "{{ _family_pkgs[_de] | default({}) }}"
     _base: "{{ bootstrap_desktop_base_packages[os_family] | default([]) }}"
+    _dm: "{{ system_cfg.features.desktop.display_manager | default('') }}"
+    _dm_override_pkg: "{{ (bootstrap_dm_override_packages[_dm] | default({}))[os_family] | default('') }}"
     _requested_groups: "{{ system_cfg.features.desktop.groups | default([]) }}"
     _group_pkgs: >-
       {{
@@ -20,16 +22,10 @@
         | sum(start=[])
       }}
   ansible.builtin.set_fact:
-    # GNOME ships under different dnf environment groups: Fedora uses
-    # workstation-product-environment, enterprise RHEL/Rocky/Alma use
-    # graphical-server-environment ("Server with GUI").
-    _desktop_groups: >-
-      {{ ['graphical-server-environment']
-         if (_de == 'gnome' and os_family == 'RedHat' and os != 'fedora')
-         else (_de_config.groups | default([])) }}
+    _desktop_groups: "{{ _de_config.groups | default([]) }}"
     _desktop_packages: >-
       {{
-        ((_de_config.packages | default([])) + _base + _group_pkgs)
+        ((_de_config.packages | default([])) + _base + _group_pkgs + [_dm_override_pkg])
         | reject('equalto', '')
         | unique
         | list
@@ -61,7 +57,8 @@
         {{ chroot_command }} dnf --releasever={{ os_version_major }}
         --setopt=install_weak_deps=False install -y {{ _desktop_packages | join(' ') }}
       Debian: >-
-        {{ chroot_command }} apt install -y --install-recommends {{ _desktop_packages | join(' ') }}
+        {{ chroot_command }} env DEBIAN_FRONTEND=noninteractive
+        apt install -y --install-recommends {{ _desktop_packages | join(' ') }}
       Archlinux: >-
         pacstrap /mnt {{ _desktop_packages | join(' ') }}
   ansible.builtin.command: "{{ _install_commands[os_family] }}"