REF: create a window singleton for access throughout superscore#115

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tangkong wants to merge 3 commits intopcdshub:masterfrom tangkong:ref_window_singleton

+136-84

Commits on Dec 11, 2024

REF: Pull window-reliant methods into WindowLinker mixin class, remove open_page_slot and client args from most child pages (non-Window)
tangkong
committed
DOC: pre-release notes
tangkong
committed
DOC/MNT: touch up docstring, remove stray client attribute set
tangkong
committed