[Suggestion] Show breadcrumb as directory when empty space is clicked.

[Rexadev]

1. Extent the breadcrumb box
2. ↲ triggered when empty space is clicked

Other Suggestions Related to this I will create Issues for that but here it is to tell what i am thinking-

Nemo version (nemo --version)
 * Is issue with desktop or windowed nemo?
 * Distribution - Debian Testing Latest
 * Graphics hardware *and* driver used
 * 32 or 64 bit

Related:
#3082
#3084
#3083 (Desktop Environment Problem)
#3085