fix(dashboard): enqueue wu-styling on network admin dashboard for activity-stream widget

[superdav42]

Problem

The activity-stream dashboard widget wraps its output in <div class="wu-styling">, which requires framework.css (registered as the wu-styling stylesheet handle). The network admin dashboard (index.php) is not a wp-ultimo admin page, so enqueue_default_admin_styles() skips it — the stylesheet is never enqueued, causing the widget to render unstyled.

Fix

Add wp_enqueue_style('wu-styling') in Dashboard_Widgets::enqueue_scripts() before the existing script enqueues. This method already guards on $pagenow === 'index.php', so the enqueue only fires on the dashboard.

Files Changed

• EDIT: inc/class-dashboard-widgets.php — add wp_enqueue_style('wu-styling') in enqueue_scripts()

Verification

Activate the plugin on a WordPress Multisite install, visit the network admin dashboard, and confirm the activity-stream widget renders with correct styling (borders, typography, colours from the wu-styling framework).

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