fixing bug with gap/crack cell dimensions for RUN2/RUN3 - reading actual values from DB (ATLASRECTS-7085)

Sanya Solodkov requested to merge solodkov/athena:tilecal-for-22.0 into master

All values needed to calculate cell and sampling dimensions are taken from GeoModel DB now instead of hard-coded values which are valid only for RUN1 geometry

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