Improve code style and type checking

js/003-data/gameVariableData.js

src/futureSocieties/fsDecoration.js

src/futureSocieties/fsPassage.js

src/futureSocieties/futureSociety.js

src/gui/Encyclopedia/encyclopediaEntries.js

src/gui/interactiveDetails.js

src/gui/multipleInspect.js

src/gui/options/options.js

src/gui/options/summaryOptions.js

src/gui/quicklinks.js

src/gui/storyCaption.js