Variant properties (State=Default, Color=Blue) rejected as invalid when renaming layer

Variant layer names in the format Prop=Value (e.g., State=Selected) work correctly and are reflected in the "Current variant" panel. However, simply clicking into the layer name field to select/focus it — with no actual edit — and then clicking away causes Figma to throw:

"This layer has an invalid name. Make sure that all variant names are of the form: Prop=Value, Prop=Value, …"

After this happens, the "Current variant" panel's State dropdown shows "—" (empty/unset) instead of the correct value.

Steps to reproduce:

1. Open a component set with a variant layer named in valid format, e.g., State=Selected (property recognized correctly, shown in Current variant panel as State: Selected).
2. Click on the layer name in the Layers panel to select/focus it (do not type or change anything).
3. Click away, back onto the canvas.
4. Error appears: "This layer has an invalid name…" and the Current variant panel now shows State: "—".

Expected behavior:
Clicking into a layer name field without making changes should not alter or invalidate the variant property.

Actual behavior:
The act of focusing (and possibly blurring) the name field alone is enough to break the variant parsing — no text change required.

Notes / things to check:

• Suggests the name field's blur/commit handler may be re-serializing or re-validating the name incorrectly, stripping or misreading the Prop=Value structure even when untouched.
• Confirmed happening on a single-property variant (State=Selected), so this isn't limited to multi-property names like State=Default, Color=Blue.