introduced in https://github.com/tachiyomiorg/tachiyomi/pull/4870
this was previously done here: 7d23fd8ef5/app/src/main/java/eu/kanade/tachiyomi/data/glide/MangaThumbnailModelLoader.kt (L95) as part of https://github.com/tachiyomiorg/tachiyomi/pull/2908
this impacts Komga extension, where server url is manually provided by the user, but due to auto-correct on mobile keyboards the `http` prefix sometimes get capitalized to `Http`.
(cherry picked from commit 20264eecb9c0e583b8ffc10f9437e8b3797bb0f1)