Commit 2024-06-30 13:30 93eba124

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feat: drop sfiniteness in a lemma on L^p norm for a restricted measure (#14289)

Estimated changes

Modified Mathlib/Analysis/FunctionalSpaces/SobolevInequality.lean

Modified Mathlib/MeasureTheory/Function/EssSup.lean

added theorem ENNReal.essSup_restrict_eq_of_support_subset

Modified Mathlib/MeasureTheory/Function/LpSeminorm/Basic.lean

added theorem MeasureTheory.snorm_restrict_eq_of_support_subset

Modified Mathlib/MeasureTheory/Function/LpSpace.lean

deleted theorem MeasureTheory.snorm_restrict_eq

Modified Mathlib/MeasureTheory/Integral/Lebesgue.lean

added theorem MeasureTheory.setLIntegral_eq_of_support_subset