Configure Highlight settings on yank vim (#21479)

Release Notes:

- Add settings / config variables to control `highlight_on_yank` or
`highlight_on_copy`

---------

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

crates/vim/src/vim.rs

@@ -1199,6 +1199,7 @@ struct VimSettings {
     pub use_multiline_find: bool,
     pub use_smartcase_find: bool,
     pub custom_digraphs: HashMap<String, Arc<str>>,
+    pub highlight_on_yank_duration: u64,
 }
 
 #[derive(Clone, Default, Serialize, Deserialize, JsonSchema)]
@@ -1208,6 +1209,7 @@ struct VimSettingsContent {
     pub use_multiline_find: Option<bool>,
     pub use_smartcase_find: Option<bool>,
     pub custom_digraphs: Option<HashMap<String, Arc<str>>>,
+    pub highlight_on_yank_duration: Option<u64>,
 }
 
 impl Settings for VimSettings {