Support debug apps running under mono runtime using vsdbg (#6752)

* Implement support to debug when running on mono runtime using vsdbg

* Fix merge

* Adding changes to debug using mono runtime

* Using monovsdbg to debug mono using icordbg

* Addressing Gregg's and Andrew's comments

* Addressing comments

* Remove unrelated changes

* Removing unnecessary information about debug using icordbg for mono, the launch.json will be created by another extension.

* Remove unnecessary changes.

* remove extra enter

package.json

@@ -1021,6 +1021,7 @@
     "onDebugResolve:blazorwasm",
     "onDebugResolve:coreclr",
     "onDebugResolve:clr",
+    "onDebugResolve:monovsdbg",
     "onDebugResolve:dotnet",
     "onLanguage:csharp",
     "onCommand:o.showOutput",
@@ -1642,7 +1643,8 @@
                 "type": "string",
                 "enum": [
                   "coreclr",
-                  "clr"
+                  "clr",
+                  "monovsdbg"
                 ],
                 "description": "Type type of code to debug. Can be either 'coreclr' for .NET Core debugging, or 'clr' for Desktop .NET Framework. 'clr' only works on Windows as the Desktop framework is Windows-only.",
                 "default": "coreclr"
@@ -4875,6 +4877,14 @@
             }
           }
         ]
+      },
+      {
+        "type": "monovsdbg",
+        "label": ".NET Core using Mono Runtime",
+        "hiddenWhen": "true",
+        "languages": [
+          "csharp"
+        ]
       }
     ],
     "semanticTokenTypes": [

src/coreclrDebug/activate.ts

@@ -92,8 +92,15 @@ export async function activate(
             new BaseVsDbgConfigurationProvider(platformInformation, csharpOutputChannel)
         )
     );
+    context.subscriptions.push(
+        vscode.debug.registerDebugConfigurationProvider(
+            'monovsdbg',
+            new BaseVsDbgConfigurationProvider(platformInformation, csharpOutputChannel)
+        )
+    );
     disposables.add(vscode.debug.registerDebugAdapterDescriptorFactory('coreclr', factory));
     disposables.add(vscode.debug.registerDebugAdapterDescriptorFactory('clr', factory));
+    disposables.add(vscode.debug.registerDebugAdapterDescriptorFactory('monovsdbg', factory));
 
     context.subscriptions.push(disposables);
 }