about_zulip: Translate unknown app version placeholder

Signed-off-by: Zixuan James Li <[email protected]>

Author: PIG208

assets/l10n/app_en.arb

@@ -808,5 +808,9 @@
   "scrollToBottomTooltip": "Scroll to bottom",
   "@scrollToBottomTooltip": {
     "description": "Tooltip for button to scroll to bottom."
+  },
+  "appVersionUnknownPlaceholder": "(…)",
+  "@appVersionUnknownPlaceholder": {
+    "description": "Placeholder to show in place of the app version when it is unknown."
   }
 }

lib/generated/l10n/zulip_localizations.dart

@@ -1190,6 +1190,12 @@ abstract class ZulipLocalizations {
   /// In en, this message translates to:
   /// **'Scroll to bottom'**
   String get scrollToBottomTooltip;
+
+  /// Placeholder to show in place of the app version when it is unknown.
+  ///
+  /// In en, this message translates to:
+  /// **'(…)'**
+  String get appVersionUnknownPlaceholder;
 }
 
 class _ZulipLocalizationsDelegate extends LocalizationsDelegate<ZulipLocalizations> {

lib/generated/l10n/zulip_localizations_ar.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Scroll to bottom';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/generated/l10n/zulip_localizations_en.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsEn extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Scroll to bottom';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/generated/l10n/zulip_localizations_ja.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsJa extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Scroll to bottom';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/generated/l10n/zulip_localizations_nb.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsNb extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Scroll to bottom';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/generated/l10n/zulip_localizations_pl.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsPl extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Przewiń do dołu';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/generated/l10n/zulip_localizations_ru.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsRu extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Scroll to bottom';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/generated/l10n/zulip_localizations_sk.dart

@@ -632,4 +632,7 @@ class ZulipLocalizationsSk extends ZulipLocalizations {
 
   @override
   String get scrollToBottomTooltip => 'Scroll to bottom';
+
+  @override
+  String get appVersionUnknownPlaceholder => '(…)';
 }

lib/widgets/about_zulip.dart

@@ -43,7 +43,8 @@ class _AboutZulipPageState extends State<AboutZulipPage> {
               child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
                 ListTile(
                   title: Text(zulipLocalizations.aboutPageAppVersion),
-                  subtitle: Text(_packageInfo?.version ?? '(…)')),
+                  subtitle: Text(_packageInfo?.version
+                    ?? zulipLocalizations.appVersionUnknownPlaceholder)),
                 ListTile(
                   title: Text(zulipLocalizations.aboutPageOpenSourceLicenses),
                   subtitle: Text(zulipLocalizations.aboutPageTapToView),