reactions: Add sheet to view who reacted to a message

Fixes #740

Author: chimnayajith

assets/icons/reactions.svg

@@ -104,6 +104,10 @@
   "@actionSheetOptionShare":  {
     "description": "Label for share button on action sheet."
   },
+  "actionSheetOptionViewReactions": "View Reactions",
+  "@actionSheetOptionViewReactions":  {
+    "description": "Label for View Reactions button on action sheet."
+  },
   "actionSheetOptionQuoteAndReply": "Quote and reply",
   "@actionSheetOptionQuoteAndReply":  {
     "description": "Label for Quote and reply button on action sheet."

assets/l10n/app_en.arb

@@ -261,6 +261,12 @@ abstract class ZulipLocalizations {
   /// **'Share'**
   String get actionSheetOptionShare;
 
+  /// Label for View Reactions button on action sheet.
+  ///
+  /// In en, this message translates to:
+  /// **'View Reactions'**
+  String get actionSheetOptionViewReactions;
+
   /// Label for Quote and reply button on action sheet.
   ///
   /// In en, this message translates to:

lib/generated/l10n/zulip_localizations.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Share';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Quote and reply';
 

lib/generated/l10n/zulip_localizations_ar.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsEn extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Share';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Quote and reply';
 

lib/generated/l10n/zulip_localizations_en.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsJa extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Share';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Quote and reply';
 

lib/generated/l10n/zulip_localizations_ja.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsNb extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Share';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Quote and reply';
 

lib/generated/l10n/zulip_localizations_nb.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsPl extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Udostępnij';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Odpowiedz cytując';
 

lib/generated/l10n/zulip_localizations_pl.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsRu extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Поделиться';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Ответить с цитированием';
 

lib/generated/l10n/zulip_localizations_ru.dart

@@ -88,6 +88,9 @@ class ZulipLocalizationsSk extends ZulipLocalizations {
   @override
   String get actionSheetOptionShare => 'Zdielať';
 
+  @override
+  String get actionSheetOptionViewReactions => 'View Reactions';
+
   @override
   String get actionSheetOptionQuoteAndReply => 'Citovať a odpovedať';