fix: remover Content-Type manual do upload de avatar (deixar axios definir boundary)

MEDICONNECT 2/src/services/avatars/avatarService.ts

@@ -41,16 +41,18 @@ class AvatarService {
         fileName: data.file.name,
         fileSize: data.file.size,
         fileType: data.file.type,
+        token: token ? `${token.substring(0, 20)}...` : "null",
       });
 
       // Upload usando Supabase Storage API
+      // Importante: NÃO definir Content-Type manualmente, deixar o axios/navegador 
+      // definir automaticamente com o boundary correto para multipart/form-data
       const response = await axios.post(
         `${this.STORAGE_URL}/${this.BUCKET_NAME}/${filePath}`,
         formData,
         {
           headers: {
             "Authorization": `Bearer ${token}`,
-            "Content-Type": "multipart/form-data",
           },
         }
       );