Fix issue in CellRenderer

DEVSIX-1195

Autoported commit.
Original commit hash: [da5798b5c]

Author: pavel-alay

itext/itext.layout/itext/layout/renderer/AbstractRenderer.cs

@@ -1396,11 +1396,13 @@ protected internal virtual MinMaxWidth GetMinMaxWidth(float availableWidth) {
         protected internal virtual bool SetMinMaxWidthBasedOnFixedWidth(MinMaxWidth minMaxWidth) {
             // retrieve returns max width, if there is no width.
             if (HasAbsoluteUnitValue(Property.WIDTH)) {
+                //Renderer may override retrieveWidth, double check is required.
                 float? width = RetrieveWidth(0);
-                System.Diagnostics.Debug.Assert(width != null);
-                minMaxWidth.SetChildrenMaxWidth((float)width);
-                minMaxWidth.SetChildrenMinWidth((float)width);
-                return true;
+                if (width != null) {
+                    minMaxWidth.SetChildrenMaxWidth((float)width);
+                    minMaxWidth.SetChildrenMinWidth((float)width);
+                    return true;
+                }
             }
             return false;
         }

port-hash

@@ -1 +1 @@
-6650368ed56846360542340f22201da270a441f2
+da5798b5cf162be5c1dd163f02f530299b6e46e3