optparse in TApplication

[musinsky]

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Description

After this commit (2026-07-01):

$ root -l --web=off
Warning in <TApplication::TApplication>: Flag `--web` without arguments is deprecated, use `--web=on` instead.
root [0] .q
$ root -l --web=on
Warning in <TApplication::TApplication>: Flag `--web` without arguments is deprecated, use `--web=on` instead.
root [0] .q

Reproducer

see above

ROOT version

ROOT Version: 6.41.01
Built for linuxx8664gcc on Jul 02 2026, 12:17:41
From heads/master@v6-39-99-848-gb7bf155d9

Installation method

build from source

Operating system

Fedora 44

Additional context

No response

[silverweed]

Thank you, this was a silly mistake from my side. I opened #22748 to fix it.