fix implementation for selected options

Author: Maria-Cordero-ibm

app/views/report/_form_sort.html.haml

@@ -142,12 +142,13 @@
               - if ci[:numeric]
                 #form-group
                 - field_name = "calc_id_#{f_idx}"
-                - opts = [[_("Minimum"),"Minimum"],[_("Average"),"Average"], [_("Maximum"), "Maximum"], [_("Total"),"Total"]]
+                - col = field_to_col(f.last)
+                - selected = @edit[:new][:col_options][col] && @edit[:new][:col_options][col][:grouping] ? @edit[:new][:col_options][col][:grouping] : []
                 = select_tag(field_name,
-                    - options_for_select(opts, @edit[:new][:field_name]),
+                    options_for_select(MiqReport::GROUPINGS.map(&:reverse).map { |key, value| [_(key), value] }, selected),
                     :class    => "selectpicker show-tick",
                     :multiple => true,
                     "title"   => "Check Option")
                 :javascript
                   miqInitSelectPicker();
-                  miqSelectPickerEvent("#{field_name}", "#{url}")
+                  miqSelectPickerEvent("#{field_name}", "#{url}")