Add recipe ingredient filter and recipe list view

[fkischewski99]

Summary

This PR adds two major features to improve recipe management and discovery:

1. Ingredient-based recipe filter (Restefunktion)
2. Recipe list view in main menu

Changes

1. Ingredient-based Recipe Filter (Restefunktion)

• ✅ Multi-select ingredient filter with FilterChip UI matching existing filters
• ✅ AND logic: recipes must contain ALL selected ingredients
• ✅ Reuses existing IngredientPickerDialog component
• ✅ Enhanced search bar with X button (clear text if present, close dialog if empty)
• ✅ Filter stays open for multiple selections in multi-select mode

Files changed:

• model/Recipe.kt - Added filterForIngredients parameter to matchesSearchQuery()
• view/event/new_meal_screen/RecipeList.kt - Pass ingredient filter to recipe matching
• view/event/new_meal_screen/IngredientFilterSection.kt - New filter component
• view/admin/new_participant/IngredientPickerDialog.kt - Added multi-select mode and X button
• view/event/new_meal_screen/NewMealPage.kt - Integrated ingredient filter into search UI

2. Recipe List View in Main Menu

• ✅ New screen accessible from main menu drawer
• ✅ Reuses existing RecipeList component for consistency
• ✅ Search functionality with real-time filtering
• ✅ Click on recipe navigates to recipe detail view
• ✅ Proper initialization of RecipeOverviewViewModel when viewing from list

Files changed:

• view/event/recipe_list/RecipeListScreen.kt - New recipe list screen
• view/navigation/Routes.kt - Added RecipeList route
• view/navigation/RootNavController.kt - Registered route
• view/event/homescreen/DrawerContent.kt - Added menu item, reorganized structure
• view/event/recepie_overview_screen/RecipeOverviewViewModel.kt - Added InitializeScreenWithRecipeId method
• view/event/recepie_overview_screen/RecipeOverviewActions.kt - Added new action

3. Menu Structure Improvements

New drawer menu organization:

Administration
  - Teilnehmende verwalten

Rezepte
  - Rezeptliste ansehen
  - Rezepte verwalten

Benutzer
  - Logout
  - Account löschen

Testing

• Ingredient filter works with multi-select
• Recipe list displays and searches correctly
• Navigation to recipe detail works
• Recipe detail view loads properly from list
• Desktop build successful

Screenshots

(Add screenshots if available)

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