Use TempTable methods - bookkeeping report

[eileenmcnaughton]

Overview

Code cleanup to use temp table method

Before

ad hoc method used

After

Preferred method used

Technical Details

Sub-commit of #13819 - that PR needs a lot of manual testing & since I had other reasons to test a report (trying to replicate https://lab.civicrm.org/dev/drupal/issues/50) I'm testing this report now & splitting off as reviewed & mergeable

Comments

This is a reviewer's commit - will self merge

[civibot]

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[eileenmcnaughton]

This works fine locally