Issues while building productive version ("ng build --prod")

Summary

While solving #42 (closed) in !14 (merged), I noticed that there are some issues in templates, when trying to build productive version of the project.

Steps to reproduce

Checkout master branch and run ng build --prod.

What is the current bug behavior?

Errors are shown.

What is the expected correct behavior?

It should build productive version inside of www folder.

Relevant logs and/or screenshots

ERROR in src/app/modules/data/types/dish/dish-detail-content.html(21,11): : Property 'place' does not exist on type 'SCDish'.
src/app/modules/data/types/dish/dish-detail-content.html(27,20): : Property 'getFieldTranslation' is a static member of type 'SCThingMeta'
src/app/modules/data/types/dish/dish-detail-content.html(38,18): : Property 'price' does not exist on type 'SCDish'.
src/app/modules/data/types/dish/dish-detail-content.html(44,11): : Property 'availabilityStarts' does not exist on type 'SCDish'.
src/app/modules/data/types/dish/dish-list-item.html(2,11): : Property 'price' does not exist on type 'SCDish'.
src/app/modules/data/types/dish/dish-list-item.html(2,11): : Property 'place' does not exist on type 'SCDish'.
src/app/modules/data/types/event/event-list-item.html(3,11): : Property 'subProperties' does not exist on type 'SCDateSeries'.
src/app/modules/data/types/event/event-list-item.html(3,11): : Property 'categories' does not exist on type 'SCDateSeries'.
src/app/modules/data/types/event/event-list-item.html(3,11): : Property 'startDate' does not exist on type 'SCDateSeries'.
src/app/modules/data/types/event/event-list-item.html(3,11): : Property 'endDate' does not exist on type 'SCDateSeries'.
src/app/modules/settings/item/settings-item.html(3,30): : Argument of type 'SCLanguageName' is not assignable to parameter of type '"de" | "en"'.
  Type '"afar"' is not assignable to type '"de" | "en"'.
src/app/modules/settings/item/settings-item.html(6,16): : Argument of type 'SCLanguageName' is not assignable to parameter of type '"de" | "en"'.
  Type '"afar"' is not assignable to type '"de" | "en"'.

Possible fixes

Resolve these issues in templates.