Merge pull request #1812 from ramox81/codex/import-dgnimport

IMPORT window and DGNIMPORT / -DGNIMPORT

# Conflicts:
#	locales/ar-SA/opencadstudio.ftl
#	locales/bg-BG/opencadstudio.ftl
#	locales/cs-CZ/opencadstudio.ftl
#	locales/de-DE/opencadstudio.ftl
#	locales/el-GR/opencadstudio.ftl
#	locales/en-US/opencadstudio.ftl
#	locales/es-ES/opencadstudio.ftl
#	locales/fi-FI/opencadstudio.ftl
#	locales/fr-FR/opencadstudio.ftl
#	locales/hi-IN/opencadstudio.ftl
#	locales/hu-HU/opencadstudio.ftl
#	locales/it-IT/opencadstudio.ftl
#	locales/ja-JP/opencadstudio.ftl
#	locales/ko-KR/opencadstudio.ftl
#	locales/lo-LA/opencadstudio.ftl
#	locales/nl-NL/opencadstudio.ftl
#	locales/pl-PL/opencadstudio.ftl
#	locales/pt-BR/opencadstudio.ftl
#	locales/ru-RU/opencadstudio.ftl
#	locales/tr-TR/opencadstudio.ftl
#	locales/zh-CN/opencadstudio.ftl
#	locales/zh-TW/opencadstudio.ftl

src/command.rs

@@ -2272,6 +2272,8 @@ pub enum CmdResult {
     SetTexteditMode(bool),
     /// Return a resolved point back to a suspended parent command (e.g. MTP / M2P).
     ReturnPoint(DVec3),
+    /// Import a DGN model (DGNIMPORT); ends the command.
+    DgnImport(crate::modules::insert::dgn_import::DgnImportRequest),
 }
 
 /// What kind of value the active command is currently asking for. Drives