Obj array renames #1902

Job	Run time
Pytest Conda Py3 Intel	2m 6s
Typos	5s
Documentation	1m 58s
Ruff	6s
Examples Conda Py3	1m 25s
Pytest Conda Py3 POCL	2m 34s
Tests for downstream project mirgecom_examples	6s
Tests for downstream project meshmode	11m 35s
basedpyright	1m 56s
Tests for downstream project grudge	10m 44s
Tests for downstream project mirgecom	6s
	32m 41s

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