Refactor dbp-knowledge-base-organization-select to dbp-organization-select

packages/organization-select/README.md

packages/organization-select/assets/index.html

packages/organization-select/package.json

packages/organization-select/rollup.config.js

...s/organization-select/src/dbp-organization-select-demo.js

packages/organization-select/src/dbp-organization-select.js

packages/organization-select/src/demo.js

packages/organization-select/test/unit.js

toolkit-showcase/assets/organization-select.metadata.json

...kit-showcase/src/dbp-organization-select-demo-activity.js