fix: setSelectedRows/setSelectedRows must not deselect all rows by de…

…fault

BREAKING CHANGE: setSelectedRows/setSelectedRows methods used to
deselect all rows before appling the new selection, this is not the case
anymore , if you still need the old behavior then call `grid!.deselectAlldeselectAll()` before
applying the new selection

BBjGridExWidget.bbj

@@ -1882,7 +1882,6 @@ class public BBjGridExWidget extends BBjWidget implements BBjGridExWidgetColumns
     rem  * @param BBJNumber x!: the row index to select
     rem  */
     method public void setSelectedRow(BBjNumber x!)
-        #deselectAll()
         script$="gw_setSelectedRows('" + #GRIDID$ + "',[" + str(x!) + "]);"
         #executeScript(script$)
     methodend
@@ -1894,7 +1893,6 @@ class public BBjGridExWidget extends BBjWidget implements BBjGridExWidgetColumns
     rem  * @param BBJNumber x!: vector of row indices to select
     rem  */
     method public void setSelectedRows(BBjVector x!)
-        #deselectAll()
         script$="gw_setSelectedRows('" + #GRIDID$ + "',["
         it! = x!.iterator()
         first=1

demo/SelectionDemo.bbj

@@ -180,6 +180,7 @@ return
 onSelectionInputButton:
     selection! = selectionInput!.getText()
     sel = num(selection!,err=onMultiSelectionInput)
+    grid!.deselectAll()
     grid!.setSelectedRow(sel)
 
     rem now make sure this row is visible, in the middle
@@ -199,6 +200,7 @@ onMultiSelectionInput:
       s!.addItem(num(x!.get(i),err=*continue))
     next i
 
+    grid!.deselectAll()
     grid!.setSelectedRows(s!)
 
     if (s!.size() > 0) then