feat: cache mem sync mutations

[jyeshe]

Why

refs #1389 and event dry-running might take some seconds

What

It caches not only the events but the mutations to avoid reprocessing during mem sync.

[jyeshe]

Timings ({first_height, last_height, mutations cache size, Block.blocks_mutations time in milliseconds)}:
{792253, 792254, 556526, 5500}
{792253, 792254, 557988, 219}
{792253, 792254, 559277, 219}
{792253, 792254, 560202, 218}
{792253, 792254, 560954, 208}
{792253, 792254, 561706, 212}
{792253, 792254, 562864, 208}
{792253, 792254, 563616, 212}
{792254, 792255, 435029, 4355}
{792254, 792255, 436187, 198}
{792254, 792255, 436360, 196}
{792256, 792257, 242273, 2159}
{792256, 792257, 242852, 112}
{792256, 792257, 243025, 119}
{792256, 792257, 243198, 110}
{792256, 792257, 243604, 124}
{792256, 792257, 244183, 127}
{792256, 792257, 244356, 115}
{792257, 792258, 211909, 2016}
{792257, 792258, 213023, 93}
{792257, 792258, 213196, 86}
{792257, 792258, 213369, 85}
{792257, 792258, 213542, 81}
{792257, 792258, 213948, 87}
{792257, 792258, 214527, 87}
{792257, 792258, 214700, 78}
{792257, 792258, 214873, 87}
{792257, 792258, 215279, 91}
{792257, 792258, 215858, 94}
{792257, 792258, 216226, 93}
{792257, 792258, 216399, 82}
{792257, 792258, 216978, 90}
{792257, 792258, 217151, 87}
{792257, 792258, 217557, 82}

[sborrazas]

This throws a warning about redefining a module

[sborrazas]

Shouldn't this map the module that it is testing? AeMdw.Db.Sync.Block => AeMdw.Db.Sync.BlockTest