i18n: Update label to "Messages with yourself" in DM header

Fixes: #1319

Author: lakshya1goel

assets/l10n/app_en.arb

@@ -380,7 +380,7 @@
       "others": {"type": "String", "example": "Alice, Bob"}
     }
   },
-  "messageListGroupYouWithYourself": "You with yourself",
+  "messageListGroupYouWithYourself": "Messages with yourself",
   "@messageListGroupYouWithYourself": {
     "description": "Message list recipient header for a DM group that only includes yourself."
   },

lib/generated/l10n/zulip_localizations.dart

@@ -600,7 +600,7 @@ abstract class ZulipLocalizations {
   /// Message list recipient header for a DM group that only includes yourself.
   ///
   /// In en, this message translates to:
-  /// **'You with yourself'**
+  /// **'Messages with yourself'**
   String get messageListGroupYouWithYourself;
 
   /// Content validation error message when the message is too long.

lib/generated/l10n/zulip_localizations_ar.dart

@@ -299,7 +299,7 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
   }
 
   @override
-  String get messageListGroupYouWithYourself => 'You with yourself';
+  String get messageListGroupYouWithYourself => 'Messages with yourself';
 
   @override
   String get contentValidationErrorTooLong => 'Message length shouldn\'t be greater than 10000 characters.';

lib/generated/l10n/zulip_localizations_en.dart

@@ -299,7 +299,7 @@ class ZulipLocalizationsEn extends ZulipLocalizations {
   }
 
   @override
-  String get messageListGroupYouWithYourself => 'You with yourself';
+  String get messageListGroupYouWithYourself => 'Messages with yourself';
 
   @override
   String get contentValidationErrorTooLong => 'Message length shouldn\'t be greater than 10000 characters.';

lib/generated/l10n/zulip_localizations_ja.dart

@@ -299,7 +299,7 @@ class ZulipLocalizationsJa extends ZulipLocalizations {
   }
 
   @override
-  String get messageListGroupYouWithYourself => 'You with yourself';
+  String get messageListGroupYouWithYourself => 'Messages with yourself';
 
   @override
   String get contentValidationErrorTooLong => 'Message length shouldn\'t be greater than 10000 characters.';

lib/generated/l10n/zulip_localizations_nb.dart

@@ -299,7 +299,7 @@ class ZulipLocalizationsNb extends ZulipLocalizations {
   }
 
   @override
-  String get messageListGroupYouWithYourself => 'You with yourself';
+  String get messageListGroupYouWithYourself => 'Messages with yourself';
 
   @override
   String get contentValidationErrorTooLong => 'Message length shouldn\'t be greater than 10000 characters.';

lib/generated/l10n/zulip_localizations_sk.dart

@@ -299,7 +299,7 @@ class ZulipLocalizationsSk extends ZulipLocalizations {
   }
 
   @override
-  String get messageListGroupYouWithYourself => 'You with yourself';
+  String get messageListGroupYouWithYourself => 'Messages with yourself';
 
   @override
   String get contentValidationErrorTooLong => 'Message length shouldn\'t be greater than 10000 characters.';