fix: syncer spamming RPC and reaching tip of chain (cherry-pick from CDK)

[joanestebanr]

This is a cherry-pick from CDK PR#289

When any synchronize exceeds the block finalized keep asking continously for same range without any sleep, and don't extend the range to reach the lastest block

expected

• The idea is to extend the range to go to the lastest block seen on network,
  Here the explanation of how must work the range when we are > finalized:

Logs

2025-01-29T11:11:21.890+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.893+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.896+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.899+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.902+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.906+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.909+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.914+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.919+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}
2025-01-29T11:11:21.923+0100	INFO	sync/evmdownloader.go:138	getting events from blocks 665 to  681. lastFinalizedBlock: 670	{"pid": 156441, "version": "v0.1.0", "syncer": "l1infotreesync"}

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
97.5% Coverage on New Code
0.0% Duplication on New Code

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