add alert for destructable actions

src/i18n/en.json

@@ -24,6 +24,14 @@
   "granted_permissions": "Granted",
   "menu_item_edit_permissions": "Edit permissions",
   "label_other_user": "Other",
+  "action_delete_messages": "Delete Messages",
+  "delete_messages_warning": "Are you sure you want to delete all mesages? It cannot be undone.",
+  "action_leave_chat": "Leave Conversation",
+  "leave_chat_warning": "Are you sure you want to leave this conversation?",
+  "action_block_contact": "Block Contact",
+  "block_contact_warning": "Are you sure you want to block this contact?",
+  "action_report_chat": "Report Conversation",
+  "report_chat_warning": "Are you sure you want to block and report this conversation?",
   "title_info": "Info",
   "label_topic_name": "Name",
   "label_private": "Private comment",
@@ -34,11 +42,6 @@
   "label_permissions": "Permissions:",
   "label_you": "You:",
   "label_default_access": "Default access mode:",
-  "action_delete_messages": "Delete Messages",
-  "action_leave_chat": "Leave Conversation",
-  "action_report_group": "Report Group",
-  "action_block_contact": "Block Contact",
-  "action_report_contact": "Report Contact",
   "label_group_members": "Group members:",
   "button_add_members": "Add members",
   "group_has_no_members": "No members",