changed name of aux variable in jFexTowerContainer and gFexTowerContainer

Rajat Guptarequested to merge
(removed):change_name into 22.0

I have changed the names of some other aux variables, which could be the cause for the clash in MR 26148. The changes are tested for any further clashes.

Edit by @bernius: to solve ATR-26148

Edited by Catrin Bernius

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