keymap: Update Prev to Previous follow-up (#25931)

Follow-up for https://github.com/zed-industries/zed/pull/25909

Add three more action replacements:

```
1. "pane::ActivatePrevItem" -> "pane::ActivatePreviousItem"
2. "vim::MoveToPrev" -> "vim::MoveToPrevious"
3. "vim:MoveToPrevMatch" -> "vim:MoveToPreviousMatch" 
```

Release Notes:

- N/A

crates/vim/src/normal/search.rs

@@ -28,7 +28,7 @@ pub(crate) struct MoveToNext {
 
 #[derive(Clone, Debug, Deserialize, JsonSchema, PartialEq)]
 #[serde(deny_unknown_fields)]
-pub(crate) struct MoveToPrev {
+pub(crate) struct MoveToPrevious {
     #[serde(default = "default_true")]
     case_sensitive: bool,
     #[serde(default)]
@@ -67,15 +67,15 @@ pub(crate) struct Replacement {
     is_case_sensitive: bool,
 }
 
-actions!(vim, [SearchSubmit, MoveToNextMatch, MoveToPrevMatch]);
-impl_actions!(vim, [FindCommand, Search, MoveToPrev, MoveToNext]);
+actions!(vim, [SearchSubmit, MoveToNextMatch, MoveToPreviousMatch]);
+impl_actions!(vim, [FindCommand, Search, MoveToPrevious, MoveToNext]);
 impl_internal_actions!(vim, [ReplaceCommand]);
 
 pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     Vim::action(editor, cx, Vim::move_to_next);
-    Vim::action(editor, cx, Vim::move_to_prev);
+    Vim::action(editor, cx, Vim::move_to_previous);
     Vim::action(editor, cx, Vim::move_to_next_match);
-    Vim::action(editor, cx, Vim::move_to_prev_match);
+    Vim::action(editor, cx, Vim::move_to_previous_match);
     Vim::action(editor, cx, Vim::search);
     Vim::action(editor, cx, Vim::search_deploy);
     Vim::action(editor, cx, Vim::find_command);
@@ -94,7 +94,12 @@ impl Vim {
         )
     }
 
-    fn move_to_prev(&mut self, action: &MoveToPrev, window: &mut Window, cx: &mut Context<Self>) {
+    fn move_to_previous(
+        &mut self,
+        action: &MoveToPrevious,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
         self.move_to_internal(
             Direction::Prev,
             action.case_sensitive,
@@ -114,9 +119,9 @@ impl Vim {
         self.move_to_match_internal(self.search.direction, window, cx)
     }
 
-    fn move_to_prev_match(
+    fn move_to_previous_match(
         &mut self,
-        _: &MoveToPrevMatch,
+        _: &MoveToPreviousMatch,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {