feat(client): add client context to sales and expenses creation

- Disable branch selection in sale form when creating from client context
- Pass client ID to create pages via URL parameter
- Update breadcrumbs to reflect client navigation path
- Simplify relation managers by reusing resource tables and adding custom create actions

app/Filament/Resources/SaleResource.php

@@ -40,6 +40,7 @@ class SaleResource extends Resource
                     ->afterStateUpdated(function ($set, $get) {
                         $set('branch_id', '');
                     })
+                    ->disabled()
                     ->required()
                     ->live(),
                 Select::make('branch_id')