Complete dashboard translations & small UI improvements (#69)

* fix dropdown action Estimate Dashboard and fix translating full Dasboard page

* Update app.php

* fix locale in app.php config

* Wizard install with translation, customer portal with translation, and fixing hardcoding strings to get translation

* fixes asked to review

* fixes pint

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Co-authored-by: Max <contact@agencetwogether.fr>
Co-authored-by: Darko Gjorgjijoski <5760249+gdarko@users.noreply.github.com>

app/Mail/InvoiceViewedMail.php

@@ -31,6 +31,7 @@ class InvoiceViewedMail extends Mailable
     public function build()
     {
         return $this->from(config('mail.from.address'), config('mail.from.name'))
+            ->subject(__('notification_view_invoice'))
             ->markdown('emails.viewed.invoice', ['data', $this->data]);
     }
 }