Cannot dock the markdownviewplusplus as rightside sidebar

[lalthomas]

Issue description

Some how plugin window got undocked from notepad++ main window and displaying as a separate window. I was unable to restore it as a side window (dock it to right side of notepad++).

Markdown to reproduce

drag the plugin window to outside of the notepad++ main window and try to restore it as side window.

Screenshot

Environment

• Notepad++ 8.3.3 (x86/x64)
• MarkdownViewer++ 0.8.2
• Windows 10 (/x64)

[WebDeminem]

Turn on the right sidebar. For example, "Document Map". Set the "MarkdownViewer++" & "Document Map" dimensions to the same, and drag and drop .