Add option to either use system clipboard or vim clipboard (#7936)

Release Notes:

- vim: Added a setting to control default clipboard behaviour. `{"vim":
{"use_system_clipboard": "never"}}` disables writing to the clipboard.
`"on_yank"` writes to the system clipboard only on yank, and `"always"`
preserves the current behavior. ([#4390
](https://github.com/zed-industries/zed/issues/4390))

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

crates/vim/src/normal/case.rs

@@ -40,7 +40,7 @@ where
     Vim::update(cx, |vim, cx| {
         vim.record_current_action(cx);
         let count = vim.take_count(cx).unwrap_or(1) as u32;
-        vim.update_active_editor(cx, |editor, cx| {
+        vim.update_active_editor(cx, |vim, editor, cx| {
             let mut ranges = Vec::new();
             let mut cursor_positions = Vec::new();
             let snapshot = editor.buffer().read(cx).snapshot(cx);