chore: Update brand assets (#15054)

Refresh favicons and app icons from the official brand kit and align the
PWA theme colors with the current brand blue.

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2017-2024 Chatwoot Inc.
+Copyright (c) 2017-2026 Chatwoot Inc.
 
 Portions of this software are licensed as follows:
 

app/views/layouts/vueapp.html.erb

@@ -6,9 +6,9 @@
     </title>
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no, user-scalable=0"/>
     <% if @global_config['DISPLAY_MANIFEST'] %>
-      <meta name="msapplication-TileColor" content="#1f93ff">
+      <meta name="msapplication-TileColor" content="#2781F6">
       <meta name="msapplication-TileImage" content="/ms-icon-144x144.png">
-      <meta name="theme-color" content="#1f93ff">
+      <meta name="theme-color" content="#2781F6">
       <meta name="description" content="<%= @global_config['INSTALLATION_NAME'] %> is a customer support solution that helps companies engage customers over Messenger, Twitter, Telegram, WeChat, Whatsapp. Simply connect your channels and converse with your customers from a single place. Easily add new agents to your system and have them own and resolve conversations with customers. <%= @global_config['INSTALLATION_NAME'] %> also gives you real-time reports to measure your team's performance, canned responses to easily respond to frequently asked questions and private notes for agents to collaborate among themselves.">
       <% if ENV['IOS_APP_IDENTIFIER'].present? %>
         <meta name="apple-itunes-app" content='app-id=<%= ENV['IOS_APP_IDENTIFIER'] %>'>

enterprise/LICENSE

@@ -1,5 +1,5 @@
 The Chatwoot Enterprise license (the “Enterprise License”)
-Copyright (c) 2017-2025 Chatwoot Inc
+Copyright (c) 2017-2026 Chatwoot Inc
 
 With regard to the Chatwoot Software:
 

public/manifest.json

@@ -39,6 +39,6 @@
    }],
   "start_url": "/",
   "display": "standalone",
-  "background_color": "#1f93ff",
-  "theme_color": "#1f93ff"
+  "background_color": "#2781F6",
+  "theme_color": "#2781F6"
 }