CPP scope migration (#2338)

## Checklist

- [x] I have added
[tests](https://www.cursorless.org/docs/contributing/test-case-recorder/)
- [/] I have updated the
[docs](https://github.com/cursorless-dev/cursorless/tree/main/docs) and
[cheatsheet](https://github.com/cursorless-dev/cursorless/tree/main/cursorless-talon/src/cheatsheet)
- [/] I have not broken the cheatsheet

---------

Co-authored-by: Pokey Rule <[email protected]>

Author: AndreasArvidsson

data/fixtures/recorded/languages/c/clearFunk.yml

@@ -13,7 +13,7 @@ initialState:
       active: {line: 0, character: 19}
   marks: {}
 finalState:
-  documentContents: Car ;
+  documentContents: ;
   selections:
-    - anchor: {line: 0, character: 4}
-      active: {line: 0, character: 4}
+    - anchor: {line: 0, character: 0}
+      active: {line: 0, character: 0}

data/fixtures/recorded/languages/cpp/changeCall.yml

@@ -13,7 +13,7 @@ initialState:
       active: {line: 0, character: 17}
   marks: {}
 finalState:
-  documentContents: Car ("X5", 1999);
+  documentContents: " carObj1(\"X5\", 1999);"
   selections:
-    - anchor: {line: 0, character: 4}
-      active: {line: 0, character: 4}
+    - anchor: {line: 0, character: 0}
+      active: {line: 0, character: 0}