fix(backend/steps/dnfdownloadapps): auto install fcitx5-chinese-addons

fcitx5-table-extra requires fcitx5-chinese-addons, but the requires is
missing from Fedora's package, so we manually pull it here.

src/backend/i18n.rs

@@ -22,9 +22,6 @@ macro_rules! im {
 }
 
 // lang → `InputMethod`
-// TODO: add fcitx5-chinese-addons manually if fcitx5-table-extra (thanks Fedora definitely not a
-// packaging issue)
-// TODO: enable fcitx5 automatically?
 // NOTE: some characters may not be displayed properly on your device, please make sure you have
 // the corresponding fonts installed.
 pub const IMS: phf::Map<&'static str, phf::Map<&'static str, InputMethod>> = phf::phf_map! {

src/backend/steps/_05_dnfdownloadapps.rs

@@ -48,6 +48,13 @@ impl super::Step for DnfDownloadApps {
                 .map(|im| im.get_pkg().to_owned())
                 .unique(),
         );
+        // Fedora didn't package `fcitx5-table-extra` properly, it's missing the
+        // `fcitx5-chinese-addons` dependency, so we manually add it here.
+        if settings.actions[1].contains(&"fcitx5-table-extra".to_owned())
+            && !settings.actions[1].contains(&"fcitx5-chinese-addons".to_owned())
+        {
+            settings.actions[1].push("fcitx5-chinese-addons".to_owned());
+        }
 
         Ok(())
     }