Add default global scale value if missing in the annotation hook #761

Job	Run time
Windows CY2023 <windows-2022 msvc=14.40.17.10.x86.x64, qt=5.15.2, python=3.10, cmake=3.29.8, arch=x86_64, config=Release>	1h 14m 21s
Windows CY2023 <windows-2022 msvc=14.40.17.10.x86.x64, qt=5.15.2, python=3.10, cmake=3.29.8, arch=x86_64, config=Debug>	1h 38m 52s
macos-13 x86_64 CY2023 <qt=5.15.2, python=3.10, arch=x86_64, config=Release>	1h 47m 43s
Rocky Linux 8 CY2023 <qt=5.15.2, python=3.10, cmake=3.29.8, arch=x86_64, config=Release>	1h 8m 58s
macos-13 x86_64 CY2023 <qt=5.15.2, python=3.10, arch=x86_64, config=Debug>	1h 47m 7s
Rocky Linux 9 CY2023 <qt=5.15.2, python=3.10, cmake=3.29.8, arch=x86_64, config=Release>	1h 17m 11s
Rocky Linux 8 CY2023 <qt=5.15.2, python=3.10, cmake=3.29.8, arch=x86_64, config=Debug>	1h 1m 53s
Rocky Linux 9 CY2023 <qt=5.15.2, python=3.10, cmake=3.29.8, arch=x86_64, config=Debug>	1h 8m 42s
	11h 4m 47s

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