XWIKI-16271: Merge @UITest properties when executing from the top level AllIT test

...r/src/test/it/org/xwiki/administration/test/ui/AllIT.java

...test-docker/src/test/it/org/xwiki/like/test/ui/AllIT.java

...-docker/src/test/it/org/xwiki/mentions/test/ui/AllIT.java

...st/it/org/xwiki/platform/notifications/test/ui/AllIT.java

...est/docker/internal/junit5/TestConfigurationResolver.java

...ava/org/xwiki/test/docker/internal/junit5/WARBuilder.java

...iki/test/docker/internal/junit5/XWikiDockerExtension.java

...nal/junit5/configuration/ConfigurationFilesGenerator.java

...ocker/internal/junit5/configuration/PropertiesMerger.java

...ava/org/xwiki/test/docker/junit5/DockerTestException.java

.../java/org/xwiki/test/docker/junit5/TestConfiguration.java

...er/src/main/java/org/xwiki/test/docker/junit5/UITest.java

...iki/test/docker/internal/junit5/PropertiesMergerTest.java

...ki/test/docker/internal/junit5/TestConfigurationTest.java

.../org/xwiki/test/integration/maven/ArtifactCoordinate.java

...test-docker/src/test/it/org/xwiki/user/test/ui/AllIT.java

.../test/it/org/xwiki/user/test/ui/UserChangePasswordIT.java

...ker/src/test/it/org/xwiki/user/test/ui/UserProfileIT.java

...-test-docker/src/test/it/org/xwiki/vfs/test/ui/AllIT.java

...test-docker/src/test/it/org/xwiki/wiki/test/ui/AllIT.java