fix: improve package management and screen status

- Fix issues in package installation and removal across
different platforms (Ubuntu, macOS, Alpine, Arch).
- Improve error handling and add sudo support where
necessary.
- Enhance screen status check to accurately reflect
process activity.
- Address minor bugs in `db.v`, `done.v`, and
`net_test.v`.
- Correct minor inconsistencies in package names.

lib/data/dbfs/db.v

@@ -248,8 +248,11 @@ pub fn (mut db DB) destroy() ! {
 // get all keys of the db (e.g. per session) can be with a prefix
 pub fn (mut db DB) keys(prefix_ string) ![]string {
 	// TODO: see get, to fix this one
-	mut files := db.path.list()!
+	if prefix_.len == 0 {
+		return []
+	}
 
+	mut files := db.path.list()!
 	panic('implement ${files}')
 	prefix := texttools.name_fix(prefix_)
 	mut r := db.path.list(recursive: false)!