[Bug]: Unexpected warning in tm_g_association

[gogonzo]

What happened?

library(teal.modules.general)
data <- teal_data()
data <- within(data, {
  library(nestcolor)
  ADSL <- teal.modules.general::rADSL
  ADRS <- teal.modules.general::rADRS
})
datanames <- c("ADSL", "ADRS")
datanames(data) <- datanames
join_keys(data) <- default_cdisc_join_keys[datanames]

app <- teal::init(
  data = data,
  modules = teal::modules(
    teal.modules.general::tm_missing_data(
      ggplot2_args = list(
        "Combinations Hist" = teal.widgets::ggplot2_args(
          labs = list(subtitle = "Plot produced by Missing Data Module", caption = NULL)
        ),
        "Combinations Main" = teal.widgets::ggplot2_args(labs = list(title = NULL))
      )
    )
  )
)
if (interactive()) {
  shinyApp(app$ui, app$server)
}

sessionInfo()

No response

Relevant log output

No response

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[chlebowa]

Looks like a NULL got sent to if somewhere.