Fix typo while fetching data from heimdall

[jdkanani]

No description provided.

[manav2401]

Can this be included in #359?

[codecov-commenter]

Codecov Report

Merging #349 (1c4e025) into master (8e3d66c) will increase coverage by 0.10%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #349      +/-   ##
==========================================
+ Coverage   57.51%   57.61%   +0.10%     
==========================================
  Files         553      553              
  Lines       65892    65892              
==========================================
+ Hits        37898    37966      +68     
+ Misses      24796    24729      -67     
+ Partials     3198     3197       -1     

Impacted Files	Coverage Δ
consensus/bor/rest.go	0.00% <0.00%> (ø)
trie/proof.go	74.11% <0.00%> (-1.07%)	⬇️
eth/downloader/queue.go	78.72% <0.00%> (-0.54%)	⬇️
les/downloader/downloader.go	75.78% <0.00%> (-0.32%)	⬇️
eth/downloader/downloader.go	75.46% <0.00%> (ø)
eth/protocols/snap/sync.go	72.67% <0.00%> (+0.22%)	⬆️
miner/worker.go	69.49% <0.00%> (+0.40%)	⬆️
accounts/keystore/keystore.go	76.64% <0.00%> (+0.50%)	⬆️
p2p/peer.go	75.25% <0.00%> (+1.01%)	⬆️
eth/handler_eth.go	40.44% <0.00%> (+1.12%)	⬆️
... and 17 more

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