ENH Update scaffolded search fields to be more sensible

src/ORM/FieldType/DBCurrency.php

@@ -4,6 +4,7 @@
 
 use SilverStripe\Forms\CurrencyField;
 use SilverStripe\Forms\FormField;
+use SilverStripe\Forms\NumericField;
 use SilverStripe\Model\ModelData;
 
 /**
@@ -68,4 +69,9 @@ public function scaffoldFormField(?string $title = null, array $params = []): ?F
     {
         return CurrencyField::create($this->getName(), $title);
     }
+
+    public function scaffoldSearchField(?string $title = null): ?FormField
+    {
+        return NumericField::create($this->getName(), $title);
+    }
 }

src/ORM/FieldType/DBEmail.php

@@ -6,6 +6,7 @@
 use SilverStripe\ORM\FieldType\DBVarchar;
 use SilverStripe\Core\Validation\FieldValidation\EmailFieldValidator;
 use SilverStripe\Forms\FormField;
+use SilverStripe\Forms\TextField;
 
 class DBEmail extends DBVarchar
 {
@@ -19,4 +20,9 @@ public function scaffoldFormField(?string $title = null, array $params = []): ?F
         $field->setMaxLength($this->getSize());
         return $field;
     }
+
+    public function scaffoldSearchField(?string $title = null): ?FormField
+    {
+        return TextField::create($this->getName(), $title);
+    }
 }

src/ORM/FieldType/DBHTMLText.php

@@ -186,7 +186,7 @@ public function scaffoldFormField(?string $title = null, array $params = []): ?F
 
     public function scaffoldSearchField(?string $title = null): ?FormField
     {
-        return new TextField($this->name, $title);
+        return TextField::create($this->name, $title);
     }
 
     /**

src/ORM/FieldType/DBUrl.php

@@ -5,6 +5,7 @@
 use SilverStripe\ORM\FieldType\DBVarchar;
 use SilverStripe\Core\Validation\FieldValidation\UrlFieldValidator;
 use SilverStripe\Forms\FormField;
+use SilverStripe\Forms\TextField;
 use SilverStripe\Forms\UrlField;
 
 class DBUrl extends DBVarchar
@@ -19,4 +20,9 @@ public function scaffoldFormField(?string $title = null, array $params = []): ?F
         $field->setMaxLength($this->getSize());
         return $field;
     }
+
+    public function scaffoldSearchField(?string $title = null): ?FormField
+    {
+        return TextField::create($this->getName(), $title);
+    }
 }