fix: fs and refresh bugs

- refreshing delete from entries before adding new entries to avoid
  conflicts with indexes
- delete is synchronous because on large folders it was not recursing
  properly thus causing errors and not deleting content.

lua/lib/populate.lua

@@ -104,6 +104,15 @@ function M.refresh_entries(entries, cwd)
     ::continue::
   end
 
+  local idx = 1
+  for _, name in ipairs(cached_entries) do
+    if not new_entries[name] then
+      table.remove(entries, idx, idx + 1)
+    else
+      idx = idx + 1
+    end
+  end
+
   local all = {
     { entries = dirs, fn = dir_new },
     { entries = links, fn = link_new },
@@ -127,15 +136,6 @@ function M.refresh_entries(entries, cwd)
       prev = name
     end
   end
-
-  local idx = 1
-  for _, name in ipairs(cached_entries) do
-    if not new_entries[name] then
-      table.remove(entries, idx, idx + 1)
-    else
-      idx = idx + 1
-    end
-  end
 end
 
 function M.populate(entries, cwd)