[No-auto] bin/domain/mail: Fix Clippy warnings

Signed-off-by: flip1995 <hello@philkrones.com>
Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

bin/domain/imag-mail/src/main.rs

@@ -80,9 +80,7 @@ fn main() {
                                     "Mail collection tool",
                                     build_ui);
 
-    rt.cli()
-        .subcommand_name()
-        .map(|name| {
+    if let Some(name) = rt.cli().subcommand_name() {
         debug!("Call {}", name);
         match name {
             "import-mail" => import_mail(&rt),
@@ -96,7 +94,7 @@ fn main() {
                     .map(::std::process::exit);
             }
         }
-        });
+    }
 }
 
 fn import_mail(rt: &Runtime) {

bin/domain/imag-mail/src/ui.rs

@@ -87,7 +87,7 @@ impl IdPathProvider for PathProvider {
                  .map(|pb| pb.into_storeid())
                  .collect::<Result<Vec<_>>>()
             )
-            .unwrap_or(Ok(Vec::new()))
+            .unwrap_or_else(|| Ok(Vec::new()))
             .map(Some)
     }
 }