Top flaky test: tst_qquickapplication::state on openSUSE_15_5 X86_64.

Test case: tst_qquickapplication::state has failed on openSUSE_15_5 X86_64 GCC
The test failed 5 times and was flaky 19 times last week.

Coin log excerpt from failed run:
agent:2024/03/14 23:28:11 build.go:404: 140: FAIL! : tst_qquickapplication::state() 'QGuiApplication::focusWindow() != &window' returned FALSE. ()
agent:2024/03/14 23:28:11 build.go:404: 140: Loc: [/home/qt/work/qt/qtdeclarative/tests/auto/quick/qquickapplication/tst_qquickapplication.cpp(175)]
...

Full log at : coin log
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