Fix V-face deformation with lower-jaw landmark pins; pass regression

docs/verification/v1.3.1/regression.json

@@ -0,0 +1,31 @@
+{
+  "status": "passed",
+  "version": "1.3.1",
+  "build": "16",
+  "checks": {
+    "beauty": 57,
+    "face": 116,
+    "geometry": 1033,
+    "hostASan": 370,
+    "oscASan": 98,
+    "inspectorASan": 227
+  },
+  "total": 1901,
+  "extraRealPoseASan": {
+    "checks": 1561,
+    "inputs": "NASA astronaut plus 11 local user frames; frame images and full Vision points not uploaded",
+    "overlapsBaseline": true
+  },
+  "maximumUVOracleError": 1.09828022e-05,
+  "isolatedV": {
+    "eyeChange": [
+      0,
+      0
+    ],
+    "lowerFaceChange": 39246,
+    "originsCompared": 4,
+    "uprightMax255": 1,
+    "uprightMean255": 0.000124
+  },
+  "nativeVisualQA": "pending user"
+}