Provide type suggestions after ^ character despite linting errors

**Problem**

When I enter type hints for a function or parameter I get a syntax errors (if I entered only a `^`) or an 'Unresolved symbol' error (if I partially entered a symbol name).

In both cases, triggering suggestions returns no results.

**Desired Behaviour**

Symbols suggestions (ideally only types/classes) despite the linting errors.

**Context**

In this syntax error case I get text suggestions: