Add @lazy annotation to fix circular dependency in JwtAuthenticationFilter

- Add @lazy annotation to UserDetailsService injection in JwtAuthenticationFilter
- This should resolve the circular dependency between SecurityConfig and JwtAuthenticationFilter

Author: yassinsws

server/auth-service/src/main/kotlin/de/tum/cit/aet/auth/config/JwtAuthenticationFilter.kt

@@ -5,6 +5,7 @@ import jakarta.servlet.FilterChain
 import jakarta.servlet.http.HttpServletRequest
 import jakarta.servlet.http.HttpServletResponse
 import org.slf4j.LoggerFactory
+import org.springframework.context.annotation.Lazy
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
 import org.springframework.security.core.context.SecurityContextHolder
 import org.springframework.security.core.userdetails.UserDetailsService
@@ -15,7 +16,7 @@ import org.springframework.web.filter.OncePerRequestFilter
 @Component
 class JwtAuthenticationFilter(
     private val jwtService: JwtService,
-    private val userDetailsService: UserDetailsService
+    @Lazy private val userDetailsService: UserDetailsService
 ) : OncePerRequestFilter() {
 
     private val logger = LoggerFactory.getLogger(JwtAuthenticationFilter::class.java)