Don't use TabMap::expand_tabs in line_indent_for_buffer_row

crates/editor/src/display_map/tab_map.rs

@@ -290,7 +290,7 @@ impl TabSnapshot {
         fold_point.to_buffer_point(&self.suggestion_snapshot.fold_snapshot)
     }
 
-    pub fn expand_tabs(&self, chars: impl Iterator<Item = char>, column: u32) -> u32 {
+    fn expand_tabs(&self, chars: impl Iterator<Item = char>, column: u32) -> u32 {
         let tab_size = self.tab_size.get();
 
         let mut expanded_chars = 0;