Fix TokenBridge market cap calculator

[vbaranov]

Motivation

Fix TokenBridge market cap calculation after merging staking dapp branch into master branch

Changelog

Actualize Reader.query_contract response processing

Chore:

• Commit suggested package-lock.json update

Checklist for your Pull Request (PR)

• I added an entry to CHANGELOG.md with this PR
• If I added new functionality, I added tests covering it.
• If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.
• I checked whether I should update the docs and did so by submitting a PR to https://github.com/blockscout/docs
• If I added/changed/removed ENV var, I submitted a PR to https://github.com/blockscout/docs to update the list of env vars at https://github.com/blockscout/docs/blob/master/for-developers/information-and-settings/env-variables.md and I updated the version to master in the Version column. Changes will be reflected in this table: https://docs.blockscout.com/for-developers/information-and-settings/env-variables.
• If I add new indices into DB, I checked, that they are not redundant with PGHero or other tools

[coveralls]

Pull Request Test Coverage Report for Build 9b34e306cb101464afe488b1edb51aae7ec6d500-PR-3356

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-1.9%) to 67.668%

---

Totals
Change from base Build 92de4ac6554041068e4cb36b63f37081dc41d072:	-1.9%
Covered Lines:	2049
Relevant Lines:	3028

---

💛 - Coveralls