settings: Reword to "in conversation views" consistently

Suggested by Alya:
  https://chat.zulip.org/#narrow/channel/243-mobile-team/topic/last.20code.20changes.20for.20launch/near/2195900

Author: gnprice

assets/l10n/app_en.arb

@@ -979,7 +979,7 @@
   "@initialAnchorSettingFirstUnreadAlways":  {
     "description": "Label for a value of setting controlling initial anchor of message list."
   },
-  "initialAnchorSettingFirstUnreadConversations": "First unread message in single conversations, newest message elsewhere",
+  "initialAnchorSettingFirstUnreadConversations": "First unread message in conversation views, newest message elsewhere",
   "@initialAnchorSettingFirstUnreadConversations":  {
     "description": "Label for a value of setting controlling initial anchor of message list."
   },

lib/generated/l10n/zulip_localizations.dart

@@ -1464,7 +1464,7 @@ abstract class ZulipLocalizations {
   /// Label for a value of setting controlling initial anchor of message list.
   ///
   /// In en, this message translates to:
-  /// **'First unread message in single conversations, newest message elsewhere'**
+  /// **'First unread message in conversation views, newest message elsewhere'**
   String get initialAnchorSettingFirstUnreadConversations;
 
   /// Label for a value of setting controlling initial anchor of message list.

lib/generated/l10n/zulip_localizations_ar.dart

@@ -799,7 +799,7 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';

lib/generated/l10n/zulip_localizations_en.dart

@@ -799,7 +799,7 @@ class ZulipLocalizationsEn extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';

lib/generated/l10n/zulip_localizations_ja.dart

@@ -799,7 +799,7 @@ class ZulipLocalizationsJa extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';

lib/generated/l10n/zulip_localizations_nb.dart

@@ -799,7 +799,7 @@ class ZulipLocalizationsNb extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';

lib/generated/l10n/zulip_localizations_sk.dart

@@ -801,7 +801,7 @@ class ZulipLocalizationsSk extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';

lib/generated/l10n/zulip_localizations_uk.dart

@@ -814,7 +814,7 @@ class ZulipLocalizationsUk extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';

lib/generated/l10n/zulip_localizations_zh.dart

@@ -799,7 +799,7 @@ class ZulipLocalizationsZh extends ZulipLocalizations {
 
   @override
   String get initialAnchorSettingFirstUnreadConversations =>
-      'First unread message in single conversations, newest message elsewhere';
+      'First unread message in conversation views, newest message elsewhere';
 
   @override
   String get initialAnchorSettingNewestAlways => 'Newest message';