Instantiate wasm in pre-checking

[eskimor]

We will be able to catch more issues if we instantiated the wasm after compiling it, so we should do that in pre-checking.

Concrete recent example:

Successfully fetched PoV for 0xf6a6ba49fc14432eedbd8b7c43bf38cb21b67d4d7748ca809d162ec4e3b30c5f, para_id=2123
Using cached Pvf 0x9bb8ab583eaf6a4caa1b0c57c123a697b0dfe7a5935ffff7726b9f359ccc59ad
PoV size: 13kb
Pvf prechecking...
Pvf preparation took 4479ms
Pvf execution...
Error: InvalidCandidate(WorkerReportedError("execute: execute error: RuntimeConstruction(Other(\"failed to instantiate a new WASM module instance: Insufficient resources: memory minimum size of 2090 pages exceeds memory limits\"))"))