Markdown tables render larger rows when they contain empty columns

(#2217) Bug Fixed markdown mobile

Thread

Comment by Maple~ 💚
Can reproduce CR: Version 1.0.0, Beta 68, Channel Beta, Build 2489, Android 16 (arm64), Device samsung SM-S918U1, Locale en-US, Push fcm, Flutter 3.47.5, Dart 3.13.4