feat: fix a11y issues in tree select and tree autocomplete components#675

fateeand merged 16 commits into

masterAbsaOSS/cps-shared-ui:masterfrom

600-fix-a11y-issues-in-tree-select-componentAbsaOSS/cps-shared-ui:600-fix-a11y-issues-in-tree-select-componentCopy head branch name to clipboard