Fix bug related to fixation breaking with eye trackers

Application would use the incorrect eye tracker after switching them
out. The application will now always attempt to use the selected eye
tracker. Additionally, fixation break checkiing was using the wrong JSON
variable. This has been fixed as well.

Author: JFrit

Assets/Actions/KBM.inputactions

@@ -1,5 +1,5 @@
 {
-    "name": "DotStimulusTest",
+    "name": "KBM",
     "maps": [
         {
             "name": "UI",
@@ -12,6 +12,14 @@
                     "expectedControlType": "Button",
                     "processors": "",
                     "interactions": ""
+                },
+                {
+                    "name": "Calibrate",
+                    "type": "Button",
+                    "id": "fccf4c86-004c-4bed-8dc7-2c8be7aec51d",
+                    "expectedControlType": "Button",
+                    "processors": "",
+                    "interactions": ""
                 }
             ],
             "bindings": [
@@ -25,6 +33,17 @@
                     "action": "Submit",
                     "isComposite": false,
                     "isPartOfComposite": false
+                },
+                {
+                    "name": "",
+                    "id": "f82d0c76-a172-4d67-a51d-aff31689b85d",
+                    "path": "<Keyboard>/enter",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "Keyboard&Mouse",
+                    "action": "Calibrate",
+                    "isComposite": false,
+                    "isPartOfComposite": false
                 }
             ]
         }