Add ControlStates and Rules to control visibility of sections

...ts/new-ui-element-panel/ui-element-toolbox.component.html

...ts/properties-panel/element-properties-panel.component.ts

...odel-properties-tab/element-model-properties.component.ts

...perties/button-action-param-state-variable.component.html

...roperties/button-action-param-state-variable.component.ts

...t-groups/button-properties/button-properties.component.ts

...t-groups/button-properties/get-state-variable-ids.pipe.ts

projects/editor/src/app/services/dialog.service.ts

projects/editor/src/app/services/unit.service.ts

projects/player/modules/verona/models/verona.ts

projects/player/src/app/classes/timer-state-variable.spec.ts

projects/player/src/app/classes/timer-state-variable.ts

...ompound-group-element/compound-group-element.component.ts

...tive-group-element/interactive-group-element.component.ts

projects/player/src/app/components/unit/unit.component.ts

...c/app/directives/section-visibility-handling.directive.ts

projects/player/src/app/services/unit-state.service.ts