[Bug]: datanames argument set_datanames function does not work with dot-prefixed datanames

[averissimo]

What happened?

Since the introduction of dot prefixed datanames that are ignored in #1342 that we cannot set a dataname that starts with a prefix.

The teal app will not allow modules to use .something or .another as those are ignored since we moved to use the ls() function.

Discussion

Q: Should we keep this as a feature and notify the user or should we allow for datanames that start with dot to be displayed?

Reproducible app

devtools::load_all("../teal")

data <- teal_data() |> 
  within({
    iris <- iris
    mtcars <- mtcars
    .something <- iris
    .another <- mtcars
  })

app <- init(
  data = data,
  modules = modules(
    label = "iris, mtcars and .something",
    example_module("M1", datanames = c(".something", "iris")),
    example_module("M2") |> set_datanames(c(".something", "iris")),
    example_module("M3 (iris)") |> set_datanames("iris"),
    example_module("M4 (all)")
  ),
  title = "Example App"
)
      
shiny::runApp(app)

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