Resetting the VMI text box value.

Change-Id: I0a1d8996119a82cfb22983956b3ec7e35de07e95
Baremetal physical routers
- fixed the Edit selection
- Added a check if already an embedded vrouter exists- if so then dont create, just add reference
- Added a check to not allow same ToR agent name and Tsn name.

Change-Id: I340b6fccef9fd602ac8c29293e9f21b2a0e61eea