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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@examples-query-react/basic	Configuration
@examples-query-react/advanced	Configuration
@examples-action-listener/counter	Configuration
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size-limit report 📦

Path	Size
1. entry point: @reduxjs/toolkit (browser.mjs)	5.54 KB (-0.3% 🔽)
1. entry point: @reduxjs/toolkit/query (browser.mjs)	6.39 KB (+0.3% 🔺)
1. entry point: @reduxjs/toolkit/query/react (modern.mjs)	16.06 KB (-0.01% 🔽)
1. entry point: @reduxjs/toolkit/query/react (browser.mjs)	19.1 KB (+0.07% 🔺)
3. createSlice (.modern.mjs)	4.71 KB (+0.11% 🔺)
3. buildCreateSlice and asyncThunkCreator (.modern.mjs)	5.59 KB (+0.11% 🔺)
3. createApi (.modern.mjs)	16.46 KB (+0.1% 🔺)
3. createApi (react) (.modern.mjs)	18.56 KB (+0.33% 🔺)

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