refactor to separated entities, init abstractions

src/Entity/Window/Tab/Address/Navbar/Request.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Entity\Window\Tab\Address\Navbar;
+
+class Request extends \Yggverse\Yoda\Abstract\Entity\Window\Tab\Address\Navbar\Entry
+{
+    private string $_placeholder = 'URL or search term...';
+
+    protected function _onActivate(
+        \GtkEntry $entry
+    ): void
+    {
+        $this->navbar->address->update();
+    }
+
+    protected function _onKeyRelease(
+        \GtkEntry $entry,
+        \GdkEvent $event
+    ): void
+    {
+        $this->navbar->base->update();
+
+        $this->navbar->go->gtk->set_sensitive(
+            !empty(
+                $entry->get_text()
+            )
+        );
+    }
+}