By adding `regex_named_groups` to regex route configurations we can consistently map
regex matching groups to component parameters.
This should fix#7554.
Closes#7694
Make sure the same path is not added multiple times to the history.
It is replacing the state, instead of skipping it completely,
because the current path in the browser might not be normalized,
while the given one is normalized.
Closes#7829Closes#7897
