Show toast on plugin event handling errors instead of crashing

Also set folder context on template render and fix timestamp function

src-tauri/src/error.rs

@@ -35,6 +35,9 @@ pub enum Error {
     #[error(transparent)]
     CommonError(#[from] yaak_common::error::Error),
 
+    #[error(transparent)]
+    ClipboardError(#[from] tauri_plugin_clipboard_manager::Error),
+
     #[error("Updater error: {0}")]
     UpdaterError(#[from] tauri_plugin_updater::Error),