display install root in the plugins view

[elsazac]

Fixes: #1363

@laeubi Please let me know if this is what you need? also please note that I have addressed only the first part of your RFE in this PR.

[github-actions[bot]]

Test Results

   918 files  +  306     918 suites  +306   1h 7m 17s :stopwatch: + 40m 29s  7 433 tests ±    0   7 283 :white_check_mark: +    1  150 :zzz: ±  0  0 :x:  - 1  23 448 runs  +7 816  22 946 :white_check_mark: +7 628  502 :zzz: +189  0 :x:  - 1 

Results for commit d7ec2a78. ± Comparison against base commit e4b25da2.

[laeubi]

@elsazac thanks for working on this but I think there is a missunderstanding, the goal is to display what of the root IUs of the profile (e.b. QueryUtil.uservisible) is responsible for a given unit to be installed.