Merge branch 'feature_new_uploadhandling' into 'master'

Classes/Controller/Ajax/UploadController.php

Classes/Controller/JoblistController.php

Classes/Domain/Model/JobApplication.php

...Property/TypeConverter/UploadedFileReferenceConverter.php

Classes/Service/FileAndFolderService.php

Resources/Private/Language/locallang.xlf

Resources/Private/Templates/Joblist/ApplyForm.html

Resources/Public/JavaScript/Form/upload.js

Resources/Public/JavaScript/sgJobs.js

Resources/Public/Sass/_sg-jobs.scss

ext_localconf.php

node_modules/@swc/helpers/.vscode/settings.json

node_modules/@swc/helpers/lib/_apply_decorated_descriptor.js

node_modules/@swc/helpers/lib/_array_with_holes.js

node_modules/@swc/helpers/lib/_array_without_holes.js

node_modules/@swc/helpers/lib/_assert_this_initialized.js

node_modules/@swc/helpers/lib/_async_generator.js

node_modules/@swc/helpers/lib/_async_generator_delegate.js

node_modules/@swc/helpers/lib/_async_iterator.js

node_modules/@swc/helpers/lib/_async_to_generator.js