[IMP] OneBSpace rebrand of OpenCADStudio -> OneCAD Draft (wordmark, about, crash banner, 23 locales; strip SW/manifest; air-gap: update check, donations, discussions, external help links)

src/app/commands/dgn_import.rs

@@ -114,7 +114,7 @@ fn route(path: &str, format: Option<usize>) -> Result<Route, String> {
         .find(|f| f.extensions.iter().any(|e| e.eq_ignore_ascii_case(&ext)));
     Err(match named.and_then(|f| unsupported_reason(f.support).map(|r| (f, r))) {
         Some((f, reason)) => format!("{}: {reason}", f.name),
-        None => crate::t!("OpenCAD Studio has no importer for this format.").into_owned(),
+        None => crate::t!("OneCAD Draft has no importer for this format.") /* OneBSpace (OneCAD Draft): rebranded */.into_owned(),
     })
 }