clipboard: persist clipboard contents after source application closes

When the source application closes, the forked child continues serving
clipboard data so it remains available for paste operations.

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I14fbcf8cbc47c40bfa1da7f8b09245936a6a6964

src/commands/store.rs

@@ -39,6 +39,7 @@ impl StoreCommand for SqliteClipboardDb {
         min_size,
         max_size,
         None, // no pre-computed hash for CLI store
+        None, // no mime types for CLI store
       )?;
       log::info!("Entry stored");
     }