[#1176] Cover Spend before Sync with tests

[LukasKorba]

Closes #1176

• all tests updated to handle both .linear and .spendBeforeSync algorithms
• package.resolved updated
• added tests for brand new actions related Spend before Sync:
• RewindActionTests
• UpdateChainTipActionTests
• UpdateSubtreeRootsActionTests
• ProcessSuggestedScanRangesActionTests

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