Use untpd.Tree instead of tpd.Tree for SelectionRangeProvider (scala#22702)

Thanks to @NPCRUS @Yummy-Yums for taking a part in a spree. Sorry for
taking that long to create a PR, but I was unavailable.

Fixes scala#22566

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Co-authored-by: NPCRUS <npcrus@gmail.com>
Co-authored-by: Yummy-Yums <sailewalderbs@gmail.com>
[Cherry-picked 107a2f1][modified]

Author: 3 people