Restore ballot question stance wording

Author: tripledoublev

public/locales/en/testimony.json

@@ -191,7 +191,7 @@
     },
     "submitTestimonyForm": {
       "viewMore": "View Question Details",
-      "chooseStance": "Choose Your Position",
+      "chooseStance": "Choose Your Stance",
       "overview": {
         "title": "Share Your Perspective",
         "description": "Your voice matters. MAPLE helps you 1) write your perspective and 2) publish it to our community so others can learn from it."