fix(types): resolve Typescript issues and add CI job to check for type issues by susnux · Pull Request #2160 · nextcloud-libraries/nextcloud-dialogs

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>