message: rafs/v6: fix that blob id is wrongly loaded
  Blob id stands on the low 8 bits of **_hi field.
diff: @@ -806,7 +806,7 @@ impl RafsV6InodeChunkAddr {
  /// Get the blob index of the chunk.
  pub fn blob_index(&self) -> u8 {
  - (u16::from_le(self.c_blob_addr_hi)) as u8
  + (u16::from_le(self.c_blob_addr_hi) & 0x00ff) as u8
  }
  /// Set the blob index of the chunk.
  @@ -820,7 +820,6 @@ impl RafsV6InodeChunkAddr {
  /// Get the index into the blob compression information array.
  pub fn blob_comp_index(&self) -> u32 {
  let val = (u16::from_le(self.c_blob_addr_hi) as u32) >> 8;
  -
  (val << 16) | (u16::from_le(self.c_blob_addr_lo) as u32)
  }
  