added option to toggle far clipping

src/examples/proteopedia-wrapper/index.ts

src/mol-canvas3d/camera.ts

src/mol-canvas3d/camera/transition.ts

src/mol-canvas3d/canvas3d.ts

src/mol-canvas3d/controls/trackball.ts

src/mol-plugin-ui/structure/selection.tsx

src/mol-plugin-ui/viewport/simple-settings.tsx

src/mol-plugin/behavior/dynamic/camera.ts