Add new actions editor::FindNextMatch and editor::FindPreviousMatch (#28559)

Closes #7903

Release Notes:

- Add new actions `editor::FindNextMatch` and
`editor::FindPreviousMatch` that are similar to `editor::SelectNext` and
`editor::SelectPrevious` with `"replace_newest": true`, but jumps to the
first or last selection when there are multiple selections.

crates/editor/src/actions.rs

@@ -283,6 +283,8 @@ actions!(
         DuplicateSelection,
         ExpandMacroRecursively,
         FindAllReferences,
+        FindNextMatch,
+        FindPreviousMatch,
         Fold,
         FoldAll,
         FoldFunctionBodies,