Resizes the tab size when dirty file state changes, fixes #15364

[reaktivo]

Is it desirable still keep the minimum tab width to 120px? Looks like it used to not have a minimum width and it was added recently.

[mention-bot]

@reaktivo, thanks for your PR! By analyzing the history of the files in this pull request, we identified @bpasero to be a potential reviewer.

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[bpasero]

@reaktivo looks cool and works cool but hard to tell if people actually want this. I can see that it helps reduce the actual width of tabs but it also adds some visual noise to the overall behaviour.

Maybe you could follow up with the original group of people that wanted to have the close button hidden to see if this is desired. That discussion is in #10739

[reaktivo]

I see there was no mention of tab size in the discussion at #10739. Although I though it might be useful considering #15364 was still open. You can reject this one.

[bpasero]

@reaktivo I am just very sensitive about changing something in this area without hearing from real users that actually have tab button disabled.

[reaktivo]

@bpasero I understand, I can come back to this issue if there's interest.

[bpasero]

Thanks

[bpasero]

@reaktivo let's just merge this in and wait for reactions 👍