Fix table with empty rows creation

DEVSIX-6094

Autoported commit.
Original commit hash: [cb5a2bb37]

Author: vitali-pr

itext.tests/itext.html2pdf.tests/itext/html2pdf/css/PageBreakTest.cs

@@ -203,6 +203,7 @@ public virtual void PageBreakInsideAvoidInTdWithParaTest() {
         }
 
         [NUnit.Framework.Test]
+        [LogMessage(iText.IO.Logs.IoLogMessageConstant.LAST_ROW_IS_NOT_COMPLETE)]
         [LogMessage(LayoutLogMessageConstant.ELEMENT_DOES_NOT_FIT_AREA)]
         public virtual void PageBreakInsideAvoidInTdWithTableTest() {
             // TODO: DEVSIX-5263 inconsistent behavior when page-break-inside: avoid set in td and td contains inline elements

itext.tests/itext.html2pdf.tests/itext/html2pdf/element/TableTest.cs

@@ -580,6 +580,16 @@ public virtual void ThTagConvertToElementTest() {
             RunConvertToElements("thTagConvertToElement", false);
         }
 
+        [NUnit.Framework.Test]
+        public virtual void EmptyRowsConvertToElementTest() {
+            FileStream source = new FileStream(sourceFolder + "emptyRowsConvertToElement.html", FileMode.Open, FileAccess.Read
+                );
+            foreach (IElement element in HtmlConverter.ConvertToElements(source)) {
+                NUnit.Framework.Assert.IsTrue(element is Table);
+                NUnit.Framework.Assert.AreEqual(4, ((Table)element).GetNumberOfRows());
+            }
+        }
+
         [NUnit.Framework.Test]
         public virtual void ThTagConvertToPdfTest() {
             RunTest("thTagConvertToPdf");

itext.tests/itext.html2pdf.tests/resources/itext/html2pdf/element/TableTest/emptyRowsConvertToElement.html

@@ -0,0 +1,9 @@
+<table>
+        <tr></tr>
+        <tr></tr>
+        <tr></tr>
+        <tr>
+            <td>test #1</td>
+            <td>test #2</td>
+        </tr>
+</table>

itext/itext.html2pdf/itext/html2pdf/attach/wrapelement/TableWrapper.cs

@@ -242,15 +242,13 @@ public virtual Table ToTable(WaitingColgroupsHelper colgroupsHelper) {
             }
             if (rows != null) {
                 for (int i = 0; i < rows.Count; i++) {
+                    table.StartNewRow();
                     if (isRtl) {
                         JavaCollectionsUtil.Reverse(rows[i]);
                     }
                     for (int j = 0; j < rows[i].Count; j++) {
                         table.AddCell(rows[i][j].cell);
                     }
-                    if (i != rows.Count - 1) {
-                        table.StartNewRow();
-                    }
                 }
             }
             if (caption != null) {

port-hash

@@ -1 +1 @@
-dcc8edcdd048972846bbf290ce1465ecb844c24b
+cb5a2bb3757faac10c6fe911605a8a6e9f681f74