message: [pdsl_core] Add Flush impl for CellChunksAlloc
diff: @@ -19,6 +19,7 @@ use crate::{
  storage::{
  self,
  Key,
  + Flush,
  },
  };
  @@ -96,6 +97,13 @@ impl Initialize for CellChunkAlloc {
  }
  }
  +impl Flush for CellChunkAlloc {
  + fn flush(&mut self) {
  + self.cells.flush();
  + self.chunks.flush();
  + }
  +}
  +
  impl CellChunkAlloc {
  /// Returns the key to the first cell allocation.
  ///
  