dbft: prettify log message

AnnaShaleva · AnnaShaleva · commit b761d53a4181 · 2025-02-27T11:13:01.000+03:00
It's not very pleasent to see raw bytes in the node's logs:
```
INFO [02-26|19:16:40.678] Update cached dBFT last block information number=1,793,108 "old hash"=7d0829..f8ca0f "new hash"=5da8c1..3bdec7 "seal hash"="[184 45 12 139 8 214 84 81 81 126 9 91 243 43 172 223 212 218 151 234 169 173 84 135 136 39 49 174 255 94 150 36]"
```

Signed-off-by: Anna Shaleva &lt;shaleva.ann@nspcc.ru&gt;
diff --git a/consensus/dbft/dbft.go b/consensus/dbft/dbft.go
@@ -2100,7 +2100,7 @@ func (c *DBFT) waitForNewSealingProposal(desiredHeight uint64, updateContext boo
 			"number", c.lastIndex,
 			"old hash", c.lastBlockHash,
 			"new hash", b.ParentHash(),
-			"seal hash", c.lastBlockSealHash)
+			"seal hash", hex.EncodeToString(c.lastBlockSealHash))
 		c.lastBlockHash = b.ParentHash()
 		c.lastBlockExtra = parent.Extra
 	}

Original file line number	Diff line number	Diff line change
`@@ -2100,7 +2100,7 @@ func (c *DBFT) waitForNewSealingProposal(desiredHeight uint64, updateContext boo`
`2100`	`2100`	`"number", c.lastIndex,`
`2101`	`2101`	`"old hash", c.lastBlockHash,`
`2102`	`2102`	`"new hash", b.ParentHash(),`
`2103`		`- "seal hash", c.lastBlockSealHash)`
	`2103`	`+ "seal hash", hex.EncodeToString(c.lastBlockSealHash))`
`2104`	`2104`	`c.lastBlockHash = b.ParentHash()`
`2105`	`2105`	`c.lastBlockExtra = parent.Extra`
`2106`	`2106`	`}`