3rdpartylibs/fastreports.wpf/FastReport.Mono/Controls/FRToolStripTextBox.cs

using System.Drawing;
using System.Windows.Forms;

namespace FastReport.Controls
{
    internal class FRToolStripTextBox : ToolStripTextBox
    {
        public override Size GetPreferredSize(Size constrainingSize)
        {
            // bug in Linux: control is obscured by the next sibling
            return Size;
        }
    }
}