Various fixes for ghc 9 and stackage-nightly compat #433
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ghc 9 is pickier regarding the order of TH statements
…hecker This is a sad change, because hlint will complain about the unnecessary eta expansion. The problem is that ghc 9 will not unify the forall x. x with () in an argument position. Although obviously a supplied value of the type forall x. WidgetT x () can be used as a WidgetT () (). eta expanding helps the type checker to agree with this.
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