[LyX/master] Fix equation numbers after row operation (#12665)

[Scott Kostyshak]

commit 83af3dfd2969e6dbe2b515aabfe5cf71c64cf6a8
Author: Scott Kostyshak <skostysh at lyx.org>
Date:   Wed Feb 22 11:12:56 2023 -0500

    Fix equation numbers after row operation (#12665)
    
    After removing/adding rows, the corresponding equation numbers in
    the LyX display were not updated (although if you clicked outside
    the math inset they were).
    
    Now they are updated immediately after the operation.
---
 src/mathed/InsetMathGrid.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/mathed/InsetMathGrid.cpp b/src/mathed/InsetMathGrid.cpp
index 0061bdd..65cd662 100644
--- a/src/mathed/InsetMathGrid.cpp
+++ b/src/mathed/InsetMathGrid.cpp
@@ -1550,6 +1550,7 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 			cur.undispatched();
 			break;
 		}
+		cur.forceBufferUpdate();
 		// perhaps this should be FINISHED_BACKWARD -- just for clarity?
 		//lyxerr << "returning FINISHED_LEFT" << endl;
 		break;