RED-9942 - Don't skip images on file

RED-9760: Fixed nullpointer in TextPageBlock

See merge request fforesight/layout-parser!194

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/outline/TOCEnrichmentService.java

@@ -167,7 +167,7 @@ public class TOCEnrichmentService {
             }
         }
 
-        if (!startBlocks.isEmpty()) {
+        if (!startBlocks.isEmpty() || !startImages.isEmpty()) {
             TableOfContentItem unassigned = new TableOfContentItem(null);
             unassigned.setSectionBlocks(startBlocks);
             unassigned.setImages(startImages);

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/text/TextPageBlock.java

@@ -49,7 +49,9 @@ public class TextPageBlock extends AbstractPageBlock {
     public TextPageBlock(List<TextPositionSequence> sequences) {
 
         this.sequences = sequences;
-        calculateFrequencyCounters();
+        if (!sequences.isEmpty()) {
+            calculateFrequencyCounters();
+        }
         calculateBBox();
     }