[editor] Rename ActionParamStateVariableComponent to generalize its use

projects/editor/src/app/app.module.ts

...tab/input-groups/action-param-state-variable.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