fix: pile alignment + new badge + picto on modal from challenge

src/assets/png/badges/CHA00000003-0.png

src/assets/png/badges/CHA00000003-1.png

...ts/ViewContainer/OngoingChallengeDetailsViewContainer.tsx

...ents/ContentComponents/Challenge/OngoingChallengePile.tsx

...nents/ContentComponents/ChallengeModal/ChallengeModal.tsx

...nts/ContentComponents/EcogestureModal/EcogestureModal.tsx

src/styles/components/_challenges.scss