during adding a new project GLYPHS tab is not hidden

Adding a "single" project (not glyphs) after an advanced project, does not close GLYPHS tab (SUBMAPS etc. disappear).

changed milestone to %v14.0.0~beta.2

added BUG label

created merge request !937 (merged) to address this issue

mentioned in merge request !937 (merged)

closed via merge request !937 (merged)

mentioned in commit 4494fcad