reducer builder: track call order using Set, to allow differentiating between addAsyncThunk and addMatcher

[EskiMojo14]

This properly enforces that addAsyncThunk is called before addMatcher, which was previously only enforced in types.

It also consolidates a bit of missing logic - it was previously possible to silently override an addCase with addAsyncThunk:

builder
  .addCase(thunk.pending, reducer1)
  .addAsyncThunk(thunk, { pending: reducer2 }) // reducer1 is never called, this silently overrides it

this now correctly throws an error.

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size-limit report 📦

Path	Size
1. entry point: @reduxjs/toolkit/query (browser.mjs)	6.4 KB (+0.25% 🔺)
1. entry point: @reduxjs/toolkit/query/react (modern.mjs)	16.06 KB (+0.02% 🔺)
1. entry point: @reduxjs/toolkit/query/react (browser.mjs)	19.11 KB (+0.32% 🔺)
3. createSlice (.modern.mjs)	4.71 KB (+0.11% 🔺)
3. buildCreateSlice and asyncThunkCreator (.modern.mjs)	5.61 KB (+0.13% 🔺)
3. createApi (.modern.mjs)	16.48 KB (+0.03% 🔺)
3. createApi (react) (.modern.mjs)	18.54 KB (-0.08% 🔽)

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