XWIKI-20608: The uiextension macro declare the wrong parameters

...atform-uiextension/xwiki-platform-uiextension-api/pom.xml

...rg/xwiki/uiextension/internal/macro/UIExtensionMacro.java

...iextension/internal/macro/UIExtensionMacroParameters.java

...rg/xwiki/uiextension/internal/macro/IntegrationTests.java

...uiextension-api/src/test/resources/macrouiextension1.test

...uiextension-api/src/test/resources/macrouiextension2.test

...iextension-api/src/test/resources/macrouiextensions1.test