Update number serialization

Author: AndreasArvidsson

packages/cursorless-vscode-e2e/src/suite/fixtures/scopes/html/tags.element.scope

@@ -1,19 +1,19 @@
 <div>hello</div>
 ---
 
-[#1.1 Content] =
-[#1.1 Removal] = 0:0-0:5
+[#.1 Content] =
+[#.1 Removal] = 0:0-0:5
 0| <div>hello</div>
   >-----<
 
-[#1.1 Insertion delimiter] = " "
+[#.1 Insertion delimiter] = " "
 
-[#1.2 Content] =
-[#1.2 Removal] = 0:10-0:16
+[#.2 Content] =
+[#.2 Removal] = 0:10-0:16
 0| <div>hello</div>
             >------<
 
-[#1.2 Insertion delimiter] = " "
+[#.2 Insertion delimiter] = " "
 
 [Domain] = 0:0-0:16
 0| <div>hello</div>

packages/cursorless-vscode-e2e/src/suite/serializeHeader.ts

@@ -33,11 +33,14 @@ export function serializeHeader({
 }: SerializeHeaderArg): string {
   const parts: string[] = [];
   if (scopeNumber != null || targetNumber != null) {
+    const numberParts: string[] = ["#"];
+    if (scopeNumber != null) {
+      numberParts.push(scopeNumber.toString());
+    }
     if (targetNumber != null) {
-      parts.push(`#${scopeNumber ?? 1}.${targetNumber}`);
-    } else {
-      parts.push(`#${scopeNumber}`);
+      numberParts.push(`.${targetNumber}`);
     }
+    parts.push(numberParts.join(""));
   }
 
   if (prefix != null) {