[BUG] Blendshape references shared across models

[PAMEH-2045]

What happened?

Currently, blendshape references for all models are stored in a single file in this format: " PathToMesh : BlendshapeName "

Situations where a reference is valid for different models are uncommon, and values changed for one model may be applyed to another, which is unintuitive behavior

Steps to Reproduce

• Lunch ME
• Load Model1
• Change blendshape value in Blendshape Manager
• Load Model2 with matching mesh path and blendshape name
• Observe

App Version

2.1.4

Store Edition

GitHub Edition

Confirmation

• I confirm this report includes only one bug.