infoBar fix

[7malikk]

Based on this comment: https://github.com/publiclab/Leaflet.DistortableImage/pull/1296#issuecomment-1353692787 Implementation of the infoBar toggle button sticking to the side

• [x] PR is descriptively titled 📑 and links the original issue above 🔗
• [x] tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR -- or run tests locally with grunt test
• [x] code is in a uniquely-named feature branch and has no merge conflicts 📁
• [x] screenshots/GIFs are attached 📎 in case of UI updates
• [x] @mention the original creator of the issue in a comment below for help or for a review

[7malikk]

@jywarren Hello, could you check this out? the changes requested in https://github.com/publiclab/Leaflet.DistortableImage/pull/1296#issuecomment-1353692787

[jywarren]

👍🏽❤️