Speed up dashboard page loads

Navigating to the dashboard previously showed a blank page until account and organization data finished loading, and every page carried chart code it did not use.

• Improved perceived load time: pages now paint instantly with loading skeletons while the sidebar streams in
• Added loading skeletons to phase pareto, run analytics, workflows, and reports
• Reduced the script payload shipped on every dashboard page by loading chart-based filters only on the routes that use them