tui can loose selected/highlighted value

[connerohnesorge]

@@ -1724,13 +1724,19 @@ func (m *interactiveModel) rebuildTableForWidth() {
                m.rebuildSpecsTable(width)
        }

-       // Restore cursor position (bounded to row count)
+       // Restore cursor position (bounded to row count).
+       // Use GotoTop + MoveDown instead of SetCursor because SetCursor
+       // does not adjust the viewport YOffset, causing the highlighted
+       // row to be scrolled out of the visible area after a table rebuild.
        rowCount := len(m.table.Rows())
        if rowCount > 0 {
-               if currentCursor >= rowCount {
-                       m.table.SetCursor(rowCount - 1)
-               } else {
-                       m.table.SetCursor(currentCursor)
+               target := currentCursor
+               if target >= rowCount {
+                       target = rowCount - 1
+               }
+               m.table.GotoTop()
+               if target > 0 {
+                       m.table.MoveDown(target)
                }
        }