#1876 Source code window disappears after switching to the windowed viewer from the enlarged viewer

[Markus]

Steps to reproduce:

• Open a tex project
• Compile
• Click on "Enlarge Viewer"
• Click on "Windowed Viewer"
• Recompile (F5)

Expected result:

• Compiled content is updated in external window, source window stays as is

Actual result:

• Compiled content is updated in external window, source window disappears

Workaround:

• Clicking shrink viewer in the external window makes the source code appear again

[Jan Sundermeyer]

fixed in repository