Override note properties in markup,note or rhythm

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Hiya!

I'm trying to find a gentle solution for the problem I encountered.

I overrided flag stencil in general Score, but it turns out that this 
doesn't influence notes in \tempo, \note and \rhythm functions. I there 
a possibility to influence those ones?

I add that I know I could construct note from the beginning inside 
markup and add hidden tempo change for proper tempo export, but it seems 
to be overkill for this kind of problem.

\version "2.24.0"

\score {
  \new Staff {
    \overrideTimeSignatureSettings 4/4 1/8 #'() #'()
    \time 4/4

    \override Score.Flag.stencil = #(lambda (grob)
                                    (grob-interpret-markup grob
                                      #{\markup {\raise #-0.2
\beam #1.0 #0.05 #0.5 }#}))

  \tempo \markup{ Mechanical (
                \note {8} #1 = 92 )}
  c'8 8 8 8 8 8 8 8

  \tempo Mechanical 8 = 92
  c'8 8 8 8 8 8 8 8
  }
}

Cheers,

Tomasz