Improve copy actions and shortcuts in packet UI

[NghiaTranUIT]

• Add a right-click menu item to copy the selected app name or domain name in the left panel.
• Add a right-click menu item to copy the selected IP address in the left panel.
• Add a Copy submenu in the packet details panel with common packet copy formats.
• Support copying one selected packet detail node or multiple selected packet detail nodes.
• Add unit tests for the packet detail copy service.
• Add Expand All and Collapse All menu items in the packet details panel.
• Show the ⌘F shortcut in the Filter button title and tooltip.
• Add a ⌘K shortcut for Clear All Packets.
• Show the ⌘K shortcut in the Clear All Packets toolbar tooltip.