feat(sbgn-view): change and operator visualization in sbgn view

Closes MIN-150

requested review from @KonradAt

approved this merge request

added 11 commits

• de1c8a97...df9cb4bd - 10 commits from branch feat/MIN-149-sbgn-view-Ion-Channel
• b8de6012 - Merge branch 'feat/MIN-149-sbgn-view-Ion-Channel' of...

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deleted the feat/MIN-149-sbgn-view-Ion-Channel branch. This merge request now targets the development branch

merged

mentioned in commit 71ecf5a9