Feature: show both the window tab count and the overall tab count

Here are three windows with 1,2 and 19 tabs:

<img width="915" height="370" alt="Image" src="https://github.com/user-attachments/assets/a3d77c0f-2466-4f45-8d5c-1769aab066a1" />

The enhancement would be for Tab-Finder to read
19/486 1/486 and 2/486.

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These two projects have very similar names:
https://github.com/reblws/tab-search
https://github.com/irvinm/TabSearch/