[BUGFIX] Reset section stack for the next document #3058

Job	Run time
Check architecture	14s
Coding Standards	22s
xml-lint	16s
Code Coverage / Code Coverage	4m 48s
Lint root / Lint yaml & Composer (8.2)	8s
Static analysis / Static Code Analysis (8.2)	33s
Unit test / Supported Versions Matrix	6s
Unit test / Tests (8.1, lowest)	26s
Unit test / Tests (8.1, locked)	17s
Unit test / Tests (8.1, highest)	56s
Unit test / Tests (8.2, lowest)	1m 5s
Unit test / Tests (8.2, locked)	13s
Unit test / Tests (8.2, highest)	55s
Unit test / Tests (8.3, lowest)	1m 2s
Unit test / Tests (8.3, locked)	11s
Unit test / Tests (8.3, highest)	54s
Functional test / Supported Versions Matrix	5s
integration test / Supported Versions Matrix	3s
integration test / Tests (8.1, lowest)	1m 3s
integration test / Tests (8.1, locked)	49s
integration test / Tests (8.1, highest)	51s
integration test / Tests (8.2, lowest)	1m 2s
integration test / Tests (8.2, locked)	58s
integration test / Tests (8.2, highest)	49s
integration test / Tests (8.3, lowest)	58s
integration test / Tests (8.3, locked)	1m 0s
integration test / Tests (8.3, highest)	1m 3s
Functional test / Tests (8.1, lowest)	38s
Functional test / Tests (8.1, locked)	24s
Functional test / Tests (8.1, highest)	35s
Functional test / Tests (8.2, lowest)	1m 15s
Functional test / Tests (8.2, locked)	29s
Functional test / Tests (8.2, highest)	33s
Functional test / Tests (8.3, lowest)	39s
Functional test / Tests (8.3, locked)	30s
Functional test / Tests (8.3, highest)	39s
	26m 49s

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