Show saved tag and label in chargeback assigments

[lpichler]

Depends on (needs to be merged first)

• Fix saving of multiple container images label in Chargeback assignments #4416
• Fix multi saving tag categories in chargeback assigments #4427

HELP with visibility, what is saved for this task:
https://bugzilla.redhat.com/show_bug.cgi?id=1612889

@miq-bot assign @mzazrivec

[miq-bot]

Checked commit lpichler@80a8d6e with ruby 2.3.3, rubocop 0.52.1, haml-lint 0.20.0, and yamllint 1.10.0
1 file checked, 1 offense detected

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• 💣 💥 🔥 🚒 - Linter/Haml - Linter::Haml STDERR:

warning: parser/current is loading parser/ruby23, which recognizes
warning: 2.3.6-compliant syntax, but you are running 2.3.3.
warning: please see https://github.com/whitequark/parser#compatibility-with-ruby-mri.