_ character is not escaped in book lookup

[STommydx]

Describe the bug _ character is not escaped in LIKE statements in book searching criteria.

To Reproduce

1. Login as usual
2. Add a book that title does not contains _

   {
           "Title": "# Book!",
           "Author": "Author",
           "Publisher": "Publisher",
           "Year": "2028"
   }

3. Search book containing title _ GET localhost:8080/BookManagementService/books?token={{token}}&title=_

Expected behavior 204 No Content

What actually happens 200 OK with the book returned

{
    "FoundBooks": 1,
    "Results": [
        {
            "Title": "# Book!",
            "Author": "Author",
            "Publisher": "Publisher",
            "Year": "2028"
        }
    ]
}