Have the left side link for walldisplay use the full view name in viewName.

We have non-unique view names so the highest match view is always used.

ie:
page displayed - http://jenkins:8080/view/Dashboard
walldisplay link - http://jenkins:8080//plugin/jenkinswalldisplay/walldisplay.html?viewName=Dashboard&jenkinsUrl=http%3A%2F%2Fjenkins%3A8080%2F

page displayed - http://jenkins:8080/view/Product/view/Dashboard
walldisplay link - http://jenkins:8080//plugin/jenkinswalldisplay/walldisplay.html?viewName=Dashboard&jenkinsUrl=http%3A%2F%2Fjenkins%3A8080%2F
should be - http://jenkins:8080//plugin/jenkinswalldisplay/walldisplay.html?viewName=Product/view/Dashboard&jenkinsUrl=http%3A%2F%2Fjenkins%3A8080%2F

page displayed - http://jenkins:8080/view/Product/view/Product_A
walldisplay link - http://jenkins:8080//plugin/jenkinswalldisplay/walldisplay.html?viewName=Product_A&jenkinsUrl=http%3A%2F%2Fjenkins%3A8080%2F
should be - http://jenkins:8080//plugin/jenkinswalldisplay/walldisplay.html?viewName=Product/view/Product_A&jenkinsUrl=http%3A%2F%2Fjenkins%3A8080%2F

all exist