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
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size-limit report 📦

Path	Size
1. entry point: @reduxjs/toolkit/query/react (modern.mjs)	15.23 KB (+0.08% 🔺)
1. entry point: @reduxjs/toolkit (cjs, production.min.cjs)	14.31 KB (+0.05% 🔺)
1. entry point: @reduxjs/toolkit/react (cjs, production.min.cjs)	14.44 KB (+0.04% 🔺)
1. entry point: @reduxjs/toolkit/query (cjs, production.min.cjs)	24.3 KB (+0.07% 🔺)
1. entry point: @reduxjs/toolkit/query/react (cjs, production.min.cjs)	26.64 KB (+0.08% 🔺)
2. entry point: @reduxjs/toolkit (without dependencies) (cjs, production.min.cjs)	7.66 KB (+0.29% 🔺)
3. createSlice (.modern.mjs)	4.27 KB (+0.1% 🔺)
3. buildCreateSlice and asyncThunkCreator (.modern.mjs)	5.14 KB (+0.16% 🔺)
3. createApi (.modern.mjs)	15.64 KB (-0.07% 🔽)
3. createApi (react) (.modern.mjs)	17.63 KB (+0.05% 🔺)

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