problem: When searching, the result list was not updated properly and clicking on a result was not registered if the user did not scroll through the list before (and therefore update)
this fix now makes debouncing searchupdates cleaner
also fixes a problem with the cancel button in the searchfield, which can apparently only handle iconbuttons

In order to be able to refresh single data lists (e.g. the groupmemberships after
a membership got added), this commit disentangles data from view and enables the
outside userTool to refresh single lists.

- authentication will not check every time but simple catch an authenticated request
- api communication is separated from view definitions

This adds an easy exact-match-search to tables.
In order to do so, we change the specifications that tables take query objects instead of query strings so we can combine them easier with the search query.

add option to specify table titles and do this in accordance to the deifnitions of a given tool for a given resource
Therefore, we produce individual table-wrappers per resource / tool