bugfix: select node when expression pie charts does not break chart style anymore

...app/components/analysis-panel/analysis-panel.component.ts

src/app/components/network/network.component.ts

src/app/config.ts

src/app/interfaces.ts

src/app/network-settings.ts

src/app/pages/explorer-page/explorer-page.component.ts

src/app/utils.ts

src/index.html