Validate and fix title in importer

fixes https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/334

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assigned to @gyangupta10

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The import of A01 failed. I don't think it is an issue with the subject name, but not sure.

changed title from Validate and fix title to Validate and fix title in importer

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• c32ee88b - make some changes

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• 1e051315 - fix typo issue

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merged

mentioned in commit 8c1c3327