Obj array renames #1907

Job	Run time
Pytest Conda Py3 Intel	2m 2s
Examples Conda Py3	1m 30s
Typos	6s
Pytest Conda Py3 POCL	2m 24s
basedpyright	1m 42s
Ruff	7s
Documentation	1m 39s
Tests for downstream project grudge	10m 30s
Tests for downstream project meshmode	11m 18s
Tests for downstream project mirgecom	5s
Tests for downstream project mirgecom_examples	4s
	31m 27s

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