feat(Ribbon): update menu body height default value to 84.5

Author: ArgoZhang

src/BootstrapBlazor/wwwroot/scss/theme/bootstrapblazor.scss

@@ -442,7 +442,7 @@ $bb-rate-transition: .3s;
 // Ribbon Tab
 $bb-ribbon-menu-height: 30px;
 $bb-ribbon-menu-margin-top: 5px;
-$bb-ribbon-menu-body-height: 82.5px;
+$bb-ribbon-menu-body-height: 84.5px;
 $bb-ribbon-menu-body-padding: .5rem;
 $bb-ribbon-menu-radius: var(--bs-border-radius);
 $bb-ribbon-menu-padding: .5rem;