fix: removed gaps system from GPAS pseudonym value. Also added clean up method, which will replace filename invalid characters witch '_'. (#11)

src/test/kotlin/dev/dnpm/etl/processor/pseudonym/PseudonymizeServiceTest.kt

@@ -70,6 +70,13 @@ class PseudonymizeServiceTest {
         assertThat(mtbFile.patient.id).isEqualTo("123")
     }
 
+    @Test
+    fun sanitizeFileName(@Mock generator: GpasPseudonymGenerator) {
+        val result= GpasPseudonymGenerator.sanitizeValue("l://a\\bs;1*2?3>")
+
+        assertThat(result).isEqualTo("l___a_bs_1_2_3_")
+    }
+
     @Test
     fun shouldUsePseudonymPrefixForBuiltin(@Mock generator: AnonymizingGenerator) {
         doAnswer {