Merge branch 'master' into OZG-6314-fix-attachment-wrapper

alfa-client/apps/alfa/src/styles/material/_formfield.scss

...h-container/postfach-form/postfach-form.component.spec.ts

...bs/binary-file-shared/src/lib/binary-file.service.spec.ts

...nt/libs/binary-file-shared/src/lib/binary-file.service.ts

...ent/src/lib/form/formcontrol-editor.abstract.component.ts

...onent/src/lib/form/text-editor/text-editor.component.html

...mponent/src/lib/form/text-editor/text-editor.component.ts

...c/lib/form/textarea-editor/textarea-editor.component.html

...src/lib/form/textarea-editor/textarea-editor.component.ts

...lib/form/validation-error/validation-error.component.html

.../form/validation-error/validation-error.component.spec.ts

...c/lib/form/validation-error/validation-error.component.ts

...s/navigation/src/lib/build-info/build-info.component.html

...s/navigation/src/lib/build-info/build-info.component.scss

...ion/src/lib/header-container/header/header.component.html

...ion/src/lib/header-container/header/header.component.scss

...er/outgoing-mail-error/outgoing-mail-error.component.html

...er/outgoing-mail-error/outgoing-mail-error.component.scss

alfa-client/libs/tech-shared/src/index.ts

...ipe/convert-problem-detail-to-error-messages.pipe.spec.ts