coordinate system fixes for embedded graph (#768)

* change pan speed to 1 per issue #722

* correct handle scaling of graph when aspect ratio less than one

* add package lock

* add invert to our scale functions

* correctly transform to/from gl coordinates

* remove unused import

* fix naming of import

* update smoke tests

client/package.json

@@ -41,6 +41,7 @@
     "font-color-contrast": "^1.0.3",
     "fuzzysort": "^1.1.4",
     "gl-mat4": "^1.1.4",
+    "gl-vec3": "^1.1.3",
     "gl-matrix": "^3.0.0",
     "is-number": "^7.0.0",
     "key-pressed": "0.0.1",