Set blank name to empty string
Set blank name to empty string

An undefined value didn't clear the name. Must be a dom diff bug. To
recreate: enter 'e' into search, tab away and then press back - the 'e'
is still in the input when it should be blank

grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation