fix: resolve Heroicon enum icon names and accept int field IDs

Use ScalableIcon::getIconForSize() to get properly prefixed blade-icons
names (e.g. heroicon-o-rectangle-stack) instead of raw enum values.
Widen findField() parameter type to accept both string and int IDs.

Author: ManukMinasyan

src/Data/EntityConfigurationData.php

@@ -11,6 +11,8 @@
 use Exception;
 use Filament\Facades\Filament;
 use Filament\Resources\Resource;
+use Filament\Support\Contracts\ScalableIcon;
+use Filament\Support\Enums\IconSize;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Collection;
@@ -110,18 +112,11 @@ public function getIcon(): string
         return once(function (): string {
             $icon = $this->icon;
 
-            // Handle Filament Heroicon enums
-            if ($icon instanceof BackedEnum) {
-                return $icon->value;
-            }
-
-            // For any objects with a name property
-            if (is_object($icon) && property_exists($icon, 'name')) {
-                return $icon->name;
+            if ($icon instanceof ScalableIcon) {
+                return $icon->getIconForSize(IconSize::Medium);
             }
 
-            // For any objects with a value property
-            if (is_object($icon) && property_exists($icon, 'value')) {
+            if ($icon instanceof BackedEnum) {
                 return $icon->value;
             }
 
@@ -167,6 +162,10 @@ private function resolveIconFromFilamentResource(): ?string
 
                 $icon = $resourceClass::getNavigationIcon();
 
+                if ($icon instanceof ScalableIcon) {
+                    return $icon->getIconForSize(IconSize::Medium);
+                }
+
                 if ($icon instanceof BackedEnum) {
                     return $icon->value;
                 }

src/Livewire/ManageFieldsTable.php

@@ -62,7 +62,7 @@ private function getFieldsQuery(): Builder
             ->orderBy('sort_order');
     }
 
-    private function findField(string $fieldId): ?CustomField
+    private function findField(string|int $fieldId): ?CustomField
     {
         return CustomFields::newCustomFieldModel()
             ->newQuery()