ADBDEV-6342: Refactor gprestore helper oidWithBatchList

[RekGRpth]

Refactor gprestore helper oidWithBatchList

Currently, gprestore helper has one loop over the list of tables with already
defined batches. This creates difficulties for moving to the next table when a
skip file is detected. Also, such a loop is not easy to parallelize so that all
batches of the same table are processed sequentially by the same
process/thread. Therefore, this patch offers refactoring of the list and one
loop with division into two loops: an outer loop over tables and an inner loop
over batches. Now, one table is found only once in the list, and the second
argument is not the batch number, as it was before, but the number of batches
for the table (for replicated tables, one batch is always used). Also, the main
process pre-creates pipes only for the first batches. The logic for processing
skip files has also been significantly simplified.

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[Stolb27]

NB! We don't merge this patch before SRS for dependent improvement will be accepted.