Refactor logging in IcaRecipeParser and QuickImportService to use NestJS Logger

- Updated IcaRecipeParser to replace console.log statements with Logger for better logging practices.
- Enhanced QuickImportService with Logger for consistent logging and error handling.
- Changed quantity validation in CreateRecipeIngredientDto and CreateRecipeDto to allow zero.
- Removed CanonicalNameForm and NameForm components from the frontend.
- Updated EditProductForm to use a select dropdown for categories instead of a text input.
- Added validation for product name, canonical name, and category length in product update action.
- Refactored unit options into a separate file for better reusability across components.
- Removed unused API fetching functions and inventory types to clean up the codebase.

frontend/lib/error-handler.ts

@@ -43,27 +43,3 @@ export async function parseErrorResponse(response: Response): Promise<string> {
 
   return defaultMessages[status] || `Fel (${status}). Försök igen senare.`;
 }
-
-/**
- * Hämta data från API med bra felhantering
- */
-export async function fetchWithErrorHandling(
-  url: string,
-  options?: RequestInit,
-): Promise<any> {
-  try {
-    const response = await fetch(url, options);
-
-    if (!response.ok) {
-      const errorMessage = await parseErrorResponse(response);
-      throw new Error(errorMessage);
-    }
-
-    return await response.json();
-  } catch (err) {
-    if (err instanceof Error) {
-      throw err;
-    }
-    throw new Error('Ett okänt fel inträffade.');
-  }
-}