Fix NPE when path contains new lines between coordinates, add the test

DEVSIX-8704

Autoported commit.
Original commit hash: [37dda083d]

itext.tests/itext.svg.tests/itext/svg/converter/SvgConverterIntegrationTest.cs

@@ -526,5 +526,10 @@ public virtual void ParseDoubleValues() {
             // So this test checks if there are any differences
             ConvertAndCompare(sourceFolder, destinationFolder, "svgStackOver");
         }
+
+        [NUnit.Framework.Test]
+        public virtual void ParsePathWithNewLinesTest() {
+            ConvertAndCompareSinglePage(sourceFolder, destinationFolder, "pathWithNewLines");
+        }
     }
 }

itext/itext.svg/itext/svg/renderers/impl/PathSvgNodeRenderer.cs

@@ -343,6 +343,7 @@ internal virtual ICollection<String> ParsePathOperations() {
                 throw new SvgProcessingException(SvgExceptionMessageConstant.INVALID_PATH_D_ATTRIBUTE_OPERATORS).SetMessageParams
                     (pathString);
             }
+            pathString = iText.Commons.Utils.StringUtil.ReplaceAll(pathString, "\\s+", " ").Trim();
             String[] operators = SplitPathStringIntoOperators(pathString);
             foreach (String inst in operators) {
                 String instTrim = inst.Trim();

port-hash

@@ -1 +1 @@
-d7b7288459c53470547f639cf5386cb2636c2eca
+37dda083dcfd94979087cd526aa7936c74c4fdc7