fix: ensure each block consistency to internal mutations to the collection #13614
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Fixes #13604.
When we mount the each block for the first time, the collection won't be connected to this effect as the effect hasn't finished running yet and its deps won't be assigned. However, it's possible that when reconciling the each block that a mutation occurred and it's made the collection
MAYBE_DIRTY, so reading the collection again can provide consistency to the reactive graph again as the deriveds will now beCLEAN.