[LyX/master] Fix cursor font after collapsing inset (#12830)

[Scott Kostyshak]

commit c4cdff5de22c683df4423dbc0950191294381cd1
Author: Scott Kostyshak <skostysh at lyx.org>
Date:   Thu Jul 6 08:40:12 2023 -0400

    Fix cursor font after collapsing inset (#12830)
    
    If the cursor is in an inset, and it is closed (e.g., with ctrl + i,
    or inset-toggle), the cursor is moved outside of the inset, so the
    font must be reset.
---
 src/insets/InsetCollapsible.cpp |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/insets/InsetCollapsible.cpp b/src/insets/InsetCollapsible.cpp
index e029671..56d8ce8 100644
--- a/src/insets/InsetCollapsible.cpp
+++ b/src/insets/InsetCollapsible.cpp
@@ -717,8 +717,11 @@ void InsetCollapsible::setStatus(Cursor & cur, CollapseStatus status)
 {
 	status_ = status;
 	setButtonLabel();
-	if (status_ == Collapsed)
+	if (status_ == Collapsed) {
 		cur.leaveInset(*this);
+		// if cursor was inside the inset, it was now moved outside (#12830)
+		cur.setCurrentFont();
+	}
 }