spends that are eligible for FF can still be treated as regular spends

[arvidn]

if the coin doesn't appear to support the rebase

See description in #19889

Purpose:

Current Behavior:

New Behavior:

Testing Notes:

[coveralls-official]

Pull Request Test Coverage Report for Build 16661809130

Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• 25 unchanged lines in 11 files lost coverage.
• Overall coverage increased (+0.03%) to 91.38%

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Files with Coverage Reduction	New Missed Lines	%
chia/full_node/pending_tx_cache.py	1	96.55%
chia/wallet/util/wallet_sync_utils.py	1	86.07%
chia/consensus/blockchain.py	2	94.48%
chia/farmer/farmer_api.py	2	94.36%
chia/server/node_discovery.py	2	83.18%
chia/_tests/core/mempool/test_mempool_manager.py	2	99.8%
chia/timelord/timelord_launcher.py	2	90.71%
chia/util/files.py	2	91.38%
chia/wallet/wallet_node.py	3	87.53%
chia/full_node/full_node.py	4	88.11%

Totals
Change from base Build 16659972567:	0.03%
Covered Lines:	102052
Relevant Lines:	111566

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💛 - Coveralls