Do not use Microsofts Telemetry Studio Code but Code-OSS or VSCodium.
See: https://github.com/VSCodium/vscodium/issues/267
Regarding your question Code is not powerful enough of what we do at work. There we use IntelliJ IDEA. Our frontend guys use Code as it’s enough for them and they usually are not that quality oriented, be it their tools or their product. Sadly mediocre is enough.
You can download maps for offline use just like in OsmAnd. I used OsmAnd before but the UI has become sooo sluggish I switched over to OM