If there is a capitalisation error it doesn't record a misspelling error

[RonanMacF]

Describe the bug [asciinema recording](https://asciinema.org/a/UlOAZC57ACUlVAAXCm2RcaElw

When running check it first it correctly spots a capitalisation error, but it does not spot a misspelling error. When I run check again after fixing misspelling error it catches the error

)To Reproduce Steps to reproduce the behavior:

1. mispell the first word and make sure starts lowercase
2. check the summary and it will only one error

Expected behavior two errors to appear

Desktop (please complete the following information):

• OS: MacOS

Additional context Add any other context about the problem here.

NVIM v0.5.0-dev
Build type: Release
LuaJIT 2.1.0-beta3
Compilation: 
Compiled by nixbld

using commit hash 809e7d77fec834597f495fec737c59292a10025b

[vigoux]

I think this is internal to LanguageTool which tends to hide errors pretty often...