Fix: Phantom timeout flash notice.

Because
- This is a bug with devise - heartcombo/devise#1777
- When you are timed out, a flash will appear with "true" as the message

This commit
- Do not render the flash component if the type is "timedout"

app/components/alerts/flash_component.rb

@@ -1,14 +1,19 @@
 class Alerts::FlashComponent < ApplicationComponent
+  DISSALLOWED_TYPES = %i[timedout].freeze
+
   def initialize(type:, message:)
     @type = type.to_sym
     @message = message
   end
 
+  def render?
+    DISSALLOWED_TYPES.exclude?(type)
+  end
+
   def icon_path
     {
       alert: 'icons/exclamation-circle-solid.svg',
       notice: 'icons/checkmark-circle-solid.svg',
-      timedout: 'icons/exclamation-circle-solid.svg'
     }.fetch(type)
   end
 

spec/components/alerts/flash_component_spec.rb

@@ -22,4 +22,12 @@
       expect(page).to have_content('Success!')
     end
   end
+
+  context 'when the type is dissallowed' do
+    it 'does not render the flash' do
+      component = described_class.new(type: 'timedout', message: 'Timed out')
+
+      expect(render_inline(component).inner_html).to eq('')
+    end
+  end
 end