split off signature without AsyncThunkConfig for better inference

[phryneas]

This supersedes #1626 and fixes #1605.

@loursbourg could you please give this a try?

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Sandbox	Source
Vanilla	Configuration
Vanilla Typescript	Configuration
rsk-github-issues-example	Configuration
redux-tookit-demo-1.6.1	Issue #1605
redux-tookit-demo-1.6.2	Issue #1605

[github-actions]

size-limit report 📦

Path	Size
1. entry point: @reduxjs/toolkit (cjs.production.min.js)	12.28 KB (+0.41% 🔺)
1. entry point: @reduxjs/toolkit (esm.js)	10.27 KB (+0.5% 🔺)
1. entry point: @reduxjs/toolkit/query (cjs.production.min.js)	20.53 KB (+0.93% 🔺)
1. entry point: @reduxjs/toolkit/query (esm.js)	17.53 KB (+0.93% 🔺)
1. entry point: @reduxjs/toolkit/query/react (cjs.production.min.js)	22.6 KB (+1.75% 🔺)
1. entry point: @reduxjs/toolkit/query/react (esm.js)	20.15 KB (+1.66% 🔺)
2. entry point: @reduxjs/toolkit (without dependencies) (cjs.production.min.js)	5.6 KB (+0.88% 🔺)
2. entry point: @reduxjs/toolkit (without dependencies) (esm.js)	5.58 KB (+1.01% 🔺)
2. entry point: @reduxjs/toolkit/query (without dependencies) (cjs.production.min.js)	9.33 KB (+1.39% 🔺)
2. entry point: @reduxjs/toolkit/query (without dependencies) (esm.js)	9.69 KB (+1.17% 🔺)
2. entry point: @reduxjs/toolkit/query/react (without dependencies) (cjs.production.min.js)	2.6 KB (+10.03% 🔺)
2. entry point: @reduxjs/toolkit/query/react (without dependencies) (esm.js)	2.44 KB (+10.62% 🔺)
3. createSlice (esm.js)	5.16 KB (0%)
3. createEntityAdapter (esm.js)	5.83 KB (0%)
3. configureStore (esm.js)	5.83 KB (0%)
3. createApi (esm.js)	15.8 KB (+0.91% 🔺)
3. createApi (react) (esm.js)	18.37 KB (+1.8% 🔺)
3. fetchBaseQuery (esm.js)	10.99 KB (+0.61% 🔺)
3. setupListeners (esm.js)	9.85 KB (+0.57% 🔺)
3. ApiProvider (esm.js)	17.22 KB (+1.37% 🔺)

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[loursbourg]

Yeah this is actually a lot better, i did not think of splitting the function. Also, i was afraid that such changes may cause a breakage somewhere, thus, are not allowed. So my main focus was to make it work without changing anything else as the createAsyncThunk types got so complex that they became a lot harder to grasp for those who do not know what the original authors intended them to be.

Anyway, this made the reject with value recognize the return type, besides type tests are passing; so it is ready to integrate i guess?

Sorry for the late reply, i have been extremely busy last week