Fix woff2 converting method

DEVSIX-1612

Author: EvgenyB1001

io/src/main/java/com/itextpdf/io/font/woff2/Woff2Dec.java

@@ -1140,7 +1140,8 @@ private static void writeHeaders(byte[] data, int length, RebuildMetadata metada
         byte[] output = new byte[(int) firstTableOffset];
 
         // Re-order tables in output (OTSpec) order
-        List<Woff2Common.Table> sorted_tables = Arrays.asList(hdr.tables);
+        List<Woff2Common.Table> sorted_tables = new ArrayList<>(Arrays.asList(hdr.tables));
+
         if (hdr.header_version != 0) {
             // collection font; we have to sort the table offset vector in each font
             for (TtcFont ttc_font : hdr.ttc_fonts) {

io/src/test/java/com/itextpdf/io/font/woff2/w3c/decoder/ValidationOff012Test.java

@@ -45,8 +45,6 @@ This file is part of the iText (R) project.
 import com.itextpdf.io.font.woff2.w3c.W3CWoff2DecodeTest;
 import org.junit.Ignore;
 
-@Ignore("DEVSIX-1612: different result in java and C#")
-//NOTE: Should be invalid by w3c test suite spec. See w3cProblemTest07 in html font-face test for more details.
 public class ValidationOff012Test extends W3CWoff2DecodeTest {
     @Override
     protected String getFontName() {