Use `useShallow` instead of `shallow` to construct a single object with multiple state picks

[josephmathew900]

https://joseph-mathew.neetorecord.com/watch/df8f1dc4-3465-457a-b3de-52f2cba0c794

Ref:

• Which is the recommended way? ‘shallow’ or ‘useShallow' pmndrs/zustand#2203
• RFC: deprecate `equalityFn` towards v5 (migration path exists) pmndrs/zustand#1937

[josephmathew900]

@deepakjosp _a

[AbhayVAshokan]

intern _t