[python] open stdout localhost links in terminal in Viewer

[isabelizimm]

Intent

Describe briefly what problem this pull request resolves, or what new feature it introduces. Include screenshots of any new or altered UI. Link to any GitHub issues that are related.

addresses #1302

Approach

Describe the approach taken and the tradeoffs involved if non-obvious; add an overview of the solution if it's complicated.

right now it is super twitchy, and links will pop up in viewer multiple times (whenever cursor nears link). The actual opening of the link might have to move out of provideTerminalLinks, or at least do some handling to not open so aggressively.

QA Notes

Add additional information for QA on how to validate the change, paying special attention to the level of risk, adjacent areas that could be affected by the change, and any important contextual information not present in the linked issues.

small apps you can try:

1. pip install vetiver

create a file:

from vetiver import VetiverModel, VetiverAPI, mock

x, y = mock.get_mock_data()
m = mock.get_mock_model().fit(x, y)
v = VetiverModel(m, "my_model")

VetiverAPI(v).run()

and then click the Play button to "Run Python file in terminal"

2. pip install shiny

create a file:

from shiny import ui, render, App

app_ui = ui.page_fluid(
    ui.input_slider("slider", "Slider", 0, 100, 50),  
    ui.output_text_verbatim("value"),
)

def server(input, output, session):
    @render.text
    def value():
        return f"{input.slider()}"

app = App(app_ui, server)

and then type shiny run filename.py