client: import soundingdata: fix npe bug Changes from bbc31150248c led to a null pointer exception, cause the default value of bottleneck was changed from empty string to null... for reasons. However, this was the inspiration to improve the UI behavior. The 'Download meta.json' button is now disabled as long as the form is lacking the necessary data.

# documentation
**/README*
**/docs
**/*.md

# backend binary
cmd/gemma/gemma

# Dependency directories
**/node_modules

# local dotenv environment variables file
client/.env.local

# Tags tables
**/TAGS