fix(portal): tooltip

enable tooltip to display label when mouse over.

Closes DLCM-1149

src/app/shared/components/presentationals/shared-searchable-single-select/shared-searchable-single-select.presentational.html

@@ -20,6 +20,7 @@
            (keydown.tab)="closeOverlays(true,true)"
            (keydown.shift.tab)="closeOverlays(false,true)"
            (focus)="openOverlay($event)"
+           [matTooltip]="formLabel.get(formDefinition.value).value"
            [formControlName]="formDefinition.value"
     >
   </form>