[texworks] slow opening of "large files"

[Claude PASCAL]

under macos Monterey, on macbook M1, some tex files of around 800k take several minutes to open and the editor is not active for a few minutes. Texshop opens these files instantly...
this problem did not exist on older versions of Texworks


TeXworks version : 0.6.7 ("github") [r.23c4c74, 26/02/2022 12:03]
Install location : /private/var/folders/cy/ncmsrtgj6rlbl8t_dzw1yjpc0000gn/T/AppTranslocation/64E95849-B203-4922-8D83-93AF8A6BCC31/d/TeXworks.app
Library path     : /Users/claudepascal26/Library/Application Support/TUG/TeXworks/
pdfTeX location  : /Applications/MiKTeX Console.app/Contents/bin/miktex-pdftex
Operating system : Mac OS X 12.3.1 (Darwin Kernel Version 21.4.0: Fri Mar 18 00:47:26 PDT 2022; root:xnu-8020.101.4~15/RELEASE_ARM64_T8101)
Qt version       : 5.15.2 (build) / 5.15.2 (runtime)
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