How to prevent function tab opening when debugging in Shiny

Crossposting from this question: Debugging R Shiny with browser() statements less painfully - Stack Overflow

Can this behavior be suppressed in Shiny so that debugging line by line works like it used to?

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In short is not considered OK to just drop a link to other help site, you have to clearly present your question in both sites, not just one.

It wasn't my question, but fine, I'll restate it:

When debugging in shiny via browser or breakpoint and running line by line, is it possible to disable whatever "feature" triggers a new function tab to be opened in the IDE? It's incredibly annoying to have to keep switching tabs.