Stream Selector Dropdown on Stream page for Multiple Camera Sources

[charlesmadjeri]

Overview

This PR adds a dropdown stream selector to the Stream page, allowing users to switch between different camera sources (external USB webcam, RealSense RGB, and RealSense aligned depth).

Features

• Stream Selector Dropdown: Added dropdown in Stream page header for source selection
• Multiple Stream Sources: Support for external USB webcam, RealSense RGB, and RealSense aligned depth
• Empty Data Warning: Visual warning badge when stream topic has no data
• Consistent UI: Matches styling and behavior of StreamPlayerModal selector

Changes

• Added Select component to Stream page header
• Updated rosConfig.ts with new stream source definitions
• Added state management for selected stream source
• Implemented empty data detection and warning display

Related

• Backend changes in lucy_ros_packages repository for camera streaming

[Arcod7]

LGTM