Break-up new top-level `_andBool_` in `evaluatePattern'` #6882

Job	Run time
Formatting and Style	1m 17s
Nix / Integration	35m 40s
Nix / Unit Tests (ubuntu-22.04, ubuntu-22.04, x86_64-linux)	28m 13s
HLint	1m 38s
Nix / Unit Tests (MacM1, self-macos-12, aarch64-darwin)	12m 35s
Stack / Unit Tests	26m 16s
	1h 45m 39s

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