XPod.SandboxNameLocked: new function
XPod.SandboxNameLocked: new function

Some caller call XPod.SandboxName with p.statusLock.
So add XPod.SandboxNameLocked.

Signed-off-by: Hui Zhu <3dff0dee05fafb3e3012a2d92c6bc151ff61663b@hyper.sh>

hyperhq/hyper,laijs/hyper,gnawux/hyper,hyperhq/hyper,laijs/hyperd,laijs/hyper,gnawux/hyper,gnawux/hyper,hyperhq/hyper,laijs/hyperd,hyperhq/hyper,laijs/hyperd,laijs/hyper,hyperhq/hyperd,hyperhq/hyperd,hyperhq/hyperd,laijs/hyper