sub-image in the editor is no longer visible

Description

sometimes, a pasted sub-image in the editor is no longer visible, only the handlers are:

this behaviour existed in the previous versions too.

last entries in the log - it happened around 09:38:
2021-02-04 09:19:04,306 [Greenshot] INFO - [GreenshotPlugin.Core.ClipboardHelper] Got image with clipboard format PNG from the clipboard.
2021-02-04 09:19:04,306 [Greenshot] INFO - [GreenshotPlugin.Core.ClipboardHelper] Got image from clipboard with size {Width=118, Height=114} and format Format32bppArgb
2021-02-04 09:38:10,105 [Greenshot] INFO - [GreenshotPlugin.Controls.GreenshotForm] Form was closed with OK: storing field values.
2021-02-04 09:38:10,155 [Greenshot] INFO - [Greenshot.Helpers.CaptureHelper] Calling processor TitleFix
2021-02-04 09:38:11,254 [Greenshot] INFO - [GreenshotPlugin.Core.AbstractDestination] Export to Copy to clipboard success, closing menu
2021-02-04 09:41:35,143 [Greenshot] INFO - [GreenshotPlugin.IniFile.IniConfig] Using ini file C:\Users\ml\AppData\Roaming\Greenshot\Greenshot.ini

and that is what happens when trying to reset the size on that object:
Software version: 1.3.139 - 5899d97 (64 bit)
.NET runtime version: 4.0.30319.42000+
Time: 2021-02-04 09:59:55 +01:00
OS: Windows 10 2004 x64 build 19041
GDI object count: 151
User object count: 123

Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.

Stack:
at Greenshot.Drawing.ImageContainer.get_DefaultSize() in D:\a\1\s\Greenshot\Drawing\ImageContainer.cs:line 224
at Greenshot.Drawing.DrawableContainerList.<>c_DisplayClass37_0.b_8(Object , EventArgs ) in D:\a\1\s\Greenshot\Drawing\DrawableContainerList.cs:line 539
at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ToolStrip.WndProc(Message& m)
at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Configuration dump:

Environment

None

Assignee

Unassigned

Reporter

Mischl

Affects versions

None

Components

None

Priority

Minor

Labels

None