Merge branch 'RecipeIngredientTest' into 'main'

Made tests for the RecipeIngredient class

Closes #20

See merge request cse1105/2025-2026/teams/csep-team-76!29

server/src/main/java/server/api/IngredientController.java

@@ -134,8 +134,7 @@ public class IngredientController {
             return ResponseEntity.notFound().build();
         }
 
-        // TODO: Refactor to use setters
-        updated.id = id;
+        updated.setId(id);
         Ingredient savedIngredient = ingredientRepository.save(updated);
         messagingTemplate.convertAndSend(Topics.INGREDIENTS, new CreateIngredientMessage(savedIngredient));