C#: Migrate class scope (#2332)

## 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: Andrew Dant <andrew.dant@clario.com>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

.vscode/extensions.json

@@ -7,6 +7,7 @@
     "dbaeumer.vscode-eslint",
     "esbenp.prettier-vscode",
     "jrieken.vscode-tree-sitter-query",
-    "wenkokke.tree-sitter-talon"
+    "wenkokke.tree-sitter-talon",
+    "usernamehw.commands"
   ]
 }

data/fixtures/scopes/csharp/class.scope

@@ -0,0 +1,10 @@
+public class BankAccount {}
+---
+
+[Content] =
+[Removal] =
+[Domain] = 0:0-0:27
+  >---------------------------<
+0| public class BankAccount {}
+
+[Insertion delimiter] = "\n\n"

packages/common/src/scopeSupportFacets/csharp.ts

@@ -10,4 +10,5 @@ const { supported, unsupported, notApplicable } = ScopeSupportFacetLevel;
 
 export const csharpScopeSupport: LanguageScopeSupportFacetMap = {
   ifStatement: supported,
+  class: supported,
 };

packages/cursorless-engine/src/languages/csharp.ts

@@ -141,7 +141,6 @@ const nodeMatchers: Partial<
   Record<SimpleScopeTypeType, NodeMatcherAlternative>
 > = {
   ...getMapMatchers,
-  class: "class_declaration",
   className: "class_declaration[name]",
   condition: cascadingMatcher(
     conditionMatcher("*[condition]"),

queries/csharp.scm

@@ -1 +1,2 @@
 (if_statement) @ifStatement
+(class_declaration) @class