feat: update text on groups panel

[plittlewood-rpt]

• Adds text to groups panel in RC service app
• Alters pill colour to something a bit less glaring

[rpt-uk-github]

:tada: Snyk checks have passed. No issues have been found so far.

:white_check_mark: security/snyk check is complete. No issues have been found. (View Details)

:white_check_mark: license/snyk check is complete. No issues have been found. (View Details)

:white_check_mark: code/snyk check is complete. No issues have been found. (View Details)

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for 3f1b5b655ed9638beca21293db7689bcf88625b6[^1]	:white_check_mark: 0.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (3f1b5b655ed9638beca21293db7689bcf88625b6)	Report Missing	Report Missing	Report Missing
Head commit (5f5b6df65e9470c824293392a15b9724dd8c4abb)	526	392	74.52%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#11618)	1	0	0.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

[^1]: Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct.