message: increase capacity rather than entry size for variable size entries
diff: @@ -625,8 +625,8 @@ idx_t RowDataCollection::AppendToBlock(RowDataBlock &block, BufferHandle &handle
  for (idx_t i = 0; i < remaining; i++) {
  if (block.byte_offset + entry_sizes[i] > block_capacity * entry_size) {
  while (entry_sizes[i] > block_capacity * entry_size) {
  - // if an entry does not fit, increase entry size until it does
  - entry_size *= 2;
  + // if an entry does not fit, increase capacity until it does
  + block_capacity *= 2;
  }
  break;
  }
  