Migrate c sharp if statement (#2324)

## 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

Author: pokey

data/fixtures/scopes/csharp/ifStatement.scope

@@ -0,0 +1,10 @@
+if (true) { }
+---
+
+[Content] =
+[Removal] =
+[Domain] = 0:0-0:13
+  >-------------<
+0| if (true) { }
+
+[Insertion delimiter] = "\n"

packages/common/src/scopeSupportFacets/csharp.ts

@@ -0,0 +1,13 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+
+import {
+  LanguageScopeSupportFacetMap,
+  ScopeSupportFacetLevel,
+} from "./scopeSupportFacets.types";
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+const { supported, unsupported, notApplicable } = ScopeSupportFacetLevel;
+
+export const csharpScopeSupport: LanguageScopeSupportFacetMap = {
+  ifStatement: supported,
+};

packages/common/src/scopeSupportFacets/getLanguageScopeSupport.ts

@@ -3,6 +3,7 @@ import { javaScopeSupport } from "./java";
 import { javascriptScopeSupport } from "./javascript";
 import { jsonScopeSupport } from "./json";
 import { pythonScopeSupport } from "./python";
+import { csharpScopeSupport } from "./csharp";
 import { luaScopeSupport } from "./lua";
 import { LanguageScopeSupportFacetMap } from "./scopeSupportFacets.types";
 import { talonScopeSupport } from "./talon";
@@ -12,6 +13,8 @@ export function getLanguageScopeSupport(
   languageId: string,
 ): LanguageScopeSupportFacetMap {
   switch (languageId) {
+    case "csharp":
+      return csharpScopeSupport;
     case "html":
       return htmlScopeSupport;
     case "java":

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

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

queries/csharp.scm

@@ -0,0 +1 @@
+(if_statement) @ifStatement