Refactor/ injective market parsing

[vic-en]

Before submitting this PR, please make sure:

• [x] Your code builds clean without any errors or warnings
• [x] You are using approved title ("feat/", "fix/", "docs/", "refactor/")

A description of the changes proposed in the pull request: [ch40413]

Tests performed by the developer:

• Manual tests
• Unit tests

Tips for QA testing:

[shortcut-integration[bot]]

This pull request has been linked to Shortcut Story #40413: Update Injective Perpetual markets parsing.