update copilot hover setting but still allow for opt out

Author: spebl

Extension/package.json

@@ -3318,7 +3318,6 @@
                         "type": "string",
                         "enum": [
                             "default",
-                            "enabled",
                             "disabled"
                         ],
                         "default": "default",

Extension/package.nls.json

@@ -769,7 +769,7 @@
         ]
     },
     "c_cpp.configuration.copilotHover.markdownDescription": {
-        "message": "If `enabled`, the hover tooltip will display an option to generate a summary of the symbol with Copilot. If `disabled`, the option will not be displayed.",
+        "message": "If `disabled`, no Copilot information will appear in Hover.",
         "comment": [
             "Markdown text between `` should not be translated or localized (they represent literal text) and the capitalization, spacing, and punctuation (including the ``) should not be altered."
         ]

Extension/src/LanguageServer/settings.ts

@@ -455,7 +455,16 @@ export class CppSettings extends Settings {
             && this.intelliSenseEngine.toLowerCase() === "default"
             && vscode.workspace.getConfiguration("workbench").get<any>("colorTheme") !== "Default High Contrast";
     }
-    public get copilotHover(): string { return (vscode as any).lm ? this.getAsString("copilotHover") : "disabled"; }
+    public get copilotHover(): string {
+        if (!(vscode as any).lm) {
+            return "disabled";
+        }
+        const val = super.Section.get<any>("copilotHover");
+        if (val === undefined) {
+            return "default";
+        }
+        return val as string;
+    }
 
     public get formattingEngine(): string { return this.getAsString("formatting"); }
     public get vcFormatIndentBraces(): boolean { return this.getAsBoolean("vcFormat.indent.braces"); }