Add ability to reload a file (#18395)

Closes #13212

Release Notes:

- Added reload command
- vim: Added `:e[dit]`, `:e[dit]!` which calls reload

crates/vim/src/command.rs

@@ -685,6 +685,8 @@ fn generate_commands(_: &AppContext) -> Vec<VimCommand> {
         VimCommand::new(("$", ""), EndOfDocument),
         VimCommand::new(("%", ""), EndOfDocument),
         VimCommand::new(("0", ""), StartOfDocument),
+        VimCommand::new(("e", "dit"), editor::actions::ReloadFile)
+            .bang(editor::actions::ReloadFile),
     ]
 }