Fix warning from favicon img load

RobinDaugherty · RobinDaugherty · commit e115f3680115 · 2020-12-13T09:29:00.000-05:00
diff --git a/lib/better_errors/middleware.rb b/lib/better_errors/middleware.rb
@@ -120,6 +120,7 @@ def show_error_page(env, exception=nil)
           # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src
           "script-src 'self' 'nonce-#{csp_nonce}' 'unsafe-inline'",
           "style-src 'self' 'nonce-#{csp_nonce}' 'unsafe-inline'",
+          "img-src data:",
           "connect-src 'self'",
           "navigate-to 'self' #{BetterErrors.editor.scheme}",
         ].join('; '),
diff --git a/lib/better_errors/templates/main.erb b/lib/better_errors/templates/main.erb
@@ -2,6 +2,7 @@
 <html>
 <head>
     <title><%= exception_type %> at <%= request_path %></title>
+    <link rel="icon" href="data:;base64,=" />
 </head>
 <body class="better-errors-javascript-not-loaded">
     <%# Stylesheets are placed in the <body> for Turbolinks compatibility. %>
