Add some GAS to notary txs (#3176)

Author: cthulhu-rider

CHANGELOG.md

@@ -38,6 +38,7 @@ Changelog for NeoFS Node
 - Calculation of VUB for zero hash (#3134)
 - More efficient block header subscription is used now instead of block-based one (#3163)
 - `ObjectService.GetRange(Hash)` ops now handle zero ranges as full payload (#3071)
+- Add some GAS to system fee of notary transactions (#3176)
 
 ### Removed
 - Drop creating new eacl tables with public keys (#3096)

pkg/morph/client/notary.go

@@ -487,6 +487,10 @@ func (c *Client) notaryInvoke(committee, invokedByAlpha bool, contract util.Uint
 		t.ValidUntilBlock = until
 		t.Nonce = nonce
 
+		// Add 10% GAS to prevent this errors:
+		// "at instruction 1689 (SYSCALL): System.Runtime.Log failed: insufficient amount of gas"
+		t.SystemFee += t.SystemFee / 10
+
 		return nil
 	}, args...))