[HWORKS-1535] Infer model schema from feature view

[manu-sj]

This PR adapts changes introduced in PR: #296 to infer the schema of a model using the feature view and training dataset version associated with it.

JIRA Issue: https://hopsworks.atlassian.net/browse/HWORKS-1535

Priority for Review:

Related PRs: https://github.com/logicalclocks/loadtest/pull/477

How Has This Been Tested?

• Unit Tests
• Integration Tests
• Manual Tests on VM

Checklist For The Assigned Reviewer:

- [ ] Checked if merge conflicts with master exist
- [ ] Checked if stylechecks for Java and Python pass
- [ ] Checked if all docstrings were added and/or updated appropriately
- [ ] Ran spellcheck on docstring
- [ ] Checked if guides & concepts need to be updated
- [ ] Checked if naming conventions for parameters and variables were followed
- [ ] Checked if private methods are properly declared and used
- [ ] Checked if hard-to-understand areas of code are commented
- [ ] Checked if tests are effective
- [ ] Built and deployed changes on dev VM and tested manually
- [x] (Checked if all type annotations were added and/or updated appropriately)