Issue #2346893 by lauriii, idebr, slashrsm, RavindraSingh, Rade, Fabianx, alexpott, swentel, gauravjeet, darrenwh, deepak_zyxware, joelpittet, Wim Leers, Yogesh Pawar, Vj, ivan.chavarro, josephdpurcell, josmera01, rloos289, kattekrab, Tanvish Jha, csakiistvan, xjm, larowlan, akalata: Duplicate AJAX wrapper around a file field

Issue #1489692 by Liam Morland, pfrenssen, YesCT, geekinpink, sudishth, josmera01, David_Rothstein: Incorrect handling of file upload limit exceeded - file widget disappears