Clazy++ : fix missing Q_OBJECT macro

1 job for master in 64 minutes and 37 seconds (queued for 24 minutes and 12 seconds)
Status Job ID Name Coverage
failed #73323
linux kf5-qt5 qt5.12


Name Stage Failure
linux kf5-qt5 qt5.12 Build The script exceeded the maximum execution time set for the job
Scanning dependencies of target geoiface_demo_autogen
[ 62%] Automatic MOC for target geoiface_demo
[ 62%] Built target geoiface_demo_autogen
Scanning dependencies of target test_geoparsing_autogen
[ 62%] Automatic MOC for target test_geoparsing
[ 62%] Built target test_geoparsing_autogen
Scanning dependencies of target Generic_MetadataEdit_Plugin
[ 62%] Building CXX object core/dplugins/generic/metadata/metadataedit/CMakeFiles/Generic_MetadataEdit_Plugin.dir/Generic_MetadataEdit_Plugin_autogen/mocs_compilation.cpp.o
ERROR: Job failed: execution took longer than 1h0m0s seconds