align to v1 to hide tab when no other relation managers

Author: sfkelseylee

src/Filament/Resources/ContentResource/Pages/EditContentRecord.php

@@ -16,6 +16,10 @@ public static function getResource(): string
 
     public function hasCombinedRelationManagerTabsWithContent(): bool
     {
+        if (empty($this->getRelationManagers())) {
+            return false;
+        }
+
         return true;
     }
 

src/Filament/Resources/ContentResource/Pages/ViewContentRecord.php

@@ -33,6 +33,10 @@ public function getParentKey(): string | int | null
 
     public function hasCombinedRelationManagerTabsWithContent(): bool
     {
+        if (empty($this->getRelationManagers())) {
+            return false;
+        }
+        
         return true;
     }
 

src/Filament/Resources/Roles/Schemas/RoleForm.php

@@ -24,6 +24,7 @@ public static function configure(Schema $schema): Schema
         return $schema
             ->components([
                 Section::make()
+                    ->columnSpanFull()->columns(1)
                     ->schema([
                         RoleNameInput::make(),
                         Hidden::make('guard_name')