Fix recreation of light blob tx collection

[marcindsobczak]

Changes

• Fix recreation of light blob tx collection

Fixes regression from #7572 and #7581

it was failing, because we are loading LightTransactions from db and trying to add to in-memory collection using TryInsert, which in SortedPool is calling IncertCore, which is overriden in PersistentBlobTxDistinctSortedPool. We should use directly InsertCore to skip the override which is adding txs to db

Types of changes

What types of changes does your code introduce?

• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
• Other: Description

Testing

Requires testing

• Yes
• No

[kamilchodola]

My node works again so can assume it is fixing the issue