use inner vomnibar page on other extensions page
use inner vomnibar page on other extensions page

Although Chrome allows an extension to embed other extensions' pages
    if only it has declared a CSP of 'script-src: c-e://id/',
I think it's a bug of Chrome's CSP implementation,
so here inner vomnibar is better.

gdh1995/vimium-plus,gdh1995/vimium-plus,gdh1995/vimium-plus