Add support for rendering exceptions

src/Spectre.Console/Widgets/Panel.cs

@@ -94,8 +94,15 @@ namespace Spectre.Console
 
             // Split the child segments into lines.
             var childSegments = ((IRenderable)child).Render(context, childWidth);
-            foreach (var line in Segment.SplitLines(childSegments, panelWidth))
+            foreach (var line in Segment.SplitLines(childSegments, childWidth))
             {
+                if (line.Count == 1 && line[0].IsWhiteSpace)
+                {
+                    // NOTE: This check might impact other things.
+                    // Hopefully not, but there is a chance.
+                    continue;
+                }
+
                 result.Add(new Segment(border.GetPart(BoxBorderPart.Left), borderStyle));
 
                 var content = new List<Segment>();

src/Spectre.Console/Widgets/Paragraph.cs

@@ -227,17 +227,10 @@ namespace Spectre.Console
                     throw new InvalidOperationException("Iterator returned empty segment.");
                 }
 
-                if (newLine && current.IsWhiteSpace && !current.IsLineBreak)
-                {
-                    newLine = false;
-                    continue;
-                }
-
                 newLine = false;
 
                 if (current.IsLineBreak)
                 {
-                    line.Add(current);
                     lines.Add(line);
                     line = new SegmentLine();
                     newLine = true;

src/Spectre.Console/Widgets/Rows.cs

@@ -44,22 +44,26 @@ namespace Spectre.Console
         /// <inheritdoc/>
         protected override IEnumerable<Segment> Render(RenderContext context, int maxWidth)
         {
+            var result = new List<Segment>();
+
             foreach (var child in _children)
             {
                 var segments = child.Render(context, maxWidth);
                 foreach (var (_, _, last, segment) in segments.Enumerate())
                 {
-                    yield return segment;
+                    result.Add(segment);
 
                     if (last)
                     {
                         if (!segment.IsLineBreak)
                         {
-                            yield return Segment.LineBreak;
+                            result.Add(Segment.LineBreak);
                         }
                     }
                 }
             }
+
+            return result;
         }
     }
 }

src/Spectre.Console/Widgets/Table.cs

@@ -298,7 +298,6 @@ namespace Spectre.Console
             var widths = width_ranges.Select(range => range.Max).ToList();
 
             var tableWidth = widths.Sum();
-
             if (tableWidth > maxWidth)
             {
                 var wrappable = _columns.Select(c => !c.NoWrap).ToList();