Pyrefly inserted typing import in sub-optimal location #1490
Description
Describe the Bug
When I started typing ClassVar in a file in which I hadn't imported typing.ClassVar, Pyrefly brought up ClassVar as a completion suggestion (very helpful!), but it inserted from typing import ClassVar at the very top of my imports list. Ideally, it would have merged ClassVar into my existing from typing import ... line, or at least inserted the new typing import line right above/below the existing one.
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(Only applicable for extension issues) IDE Information
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