fix: preserve zero values in XML export (#10367) #15720

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.3) / Sanity Tests	1m 20s
Others (8.4) / Sanity Tests	1m 23s
Others (8.2) / Sanity Tests	2m 41s
Others (8.5) / Sanity Tests	1m 32s
CacheLive (8.3) / Cache Live Tests	1m 2s
CacheLive (8.5) / Cache Live Tests	1m 0s
CacheLive (8.2) / Cache Live Tests	1m 31s
CacheLive (8.4) / Cache Live Tests	1m 12s
SeparateProcess (8.5) / tests	2m 11s
SeparateProcess (8.2) / tests	2m 5s
SeparateProcess (8.4) / tests	2m 18s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 59s
DatabaseLive (8.2, OCI8, 8.0) / tests	9m 25s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 23s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 0s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 56s
SeparateProcess (8.3) / tests	2m 10s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 53s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 31s
DatabaseLive (8.2, SQLite3, 8.0) / tests	1m 42s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 21s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 44s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 10s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 26s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	4m 41s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 45s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 46s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 55s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 40s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 43s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 45s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 24s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 23s
Upload coverage results to Coveralls / coveralls	41s
	1h 43m 41s

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