Fix Issue 17684 - [REG 2.062] static alias this (Part 4)

[JinShil]

Followup to #7055, #7070, and #7106

Fixes expressions like auto value = T where T is an aggregate with a static alias thised property.

[dlang-bot]

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Bugzilla references

Auto-close	Bugzilla	Description
✓	17684	[REG 2.062] static alias this bug or incomplete implementation?