[LyX/master] Restore some checks that were useful for search

[Pavel Sanda]

commit 7f23bd4acad244f91294d3543cdfb3e84a77a6da
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Wed Jul 26 21:13:51 2023 +0200

    Restore some checks that were useful for search
    
    It is really back of the enveloppe spacing, but people liked it this way.
    
    Fixes ticket #12767.
---
 src/BufferView.cpp |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index 12afa84..28577f2 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -1079,6 +1079,11 @@ bool BufferView::scrollToCursor(DocIterator const & dit, ScrollType how)
 		d->anchor_ypos_ += height_/2 - row_dim.height() / 2;
 	else if (!lyxrc.scroll_below_document && d->anchor_pit_ == max_pit)
 		d->anchor_ypos_ = height_ - offset - row_dim.descent();
+	else if (offset > height_)
+		d->anchor_ypos_ = height_ - offset - defaultRowHeight();
+	else
+		d->anchor_ypos_ = defaultRowHeight() * 2;
+
 	return d->anchor_ypos_ != old_ypos || d->anchor_pit_ != old_pit;
 }