Add sender to walkthrough commands (#10809)

Author: Colengms

Extension/package.json

@@ -3006,6 +3006,11 @@
         "title": "%c_cpp.command.selectDefaultCompiler.title%",
         "category": "C/C++"
       },
+      {
+        "command": "C_Cpp.RescanCompilers",
+        "title": "%c_cpp.command.rescanCompilers.title%",
+        "category": "C/C++"
+      },
       {
         "command": "C_Cpp.SwitchHeaderSource",
         "title": "%c_cpp.command.switchHeaderSource.title%",
@@ -5496,6 +5501,10 @@
           "command": "C_Cpp.referencesViewUngroupByType",
           "when": "cpptools.hasReferencesResults"
         },
+        {
+          "command": "C_Cpp.RescanCompilers",
+          "when": "never"
+        },
         {
           "command": "C_Cpp.addSshTarget",
           "when": "never"

Extension/package.nls.json

@@ -12,6 +12,7 @@
     "c_cpp.command.configurationEditJSON.title": "Edit Configurations (JSON)",
     "c_cpp.command.configurationEditUI.title": "Edit Configurations (UI)",
     "c_cpp.command.selectDefaultCompiler.title": "Select Default Compiler",
+    "c_cpp.command.rescanCompilers.title": "Rescan for Compilers",
     "c_cpp.command.switchHeaderSource.title": "Switch Header/Source",
     "c_cpp.command.enableErrorSquiggles.title": "Enable Error Squiggles",
     "c_cpp.command.disableErrorSquiggles.title": "Disable Error Squiggles",
@@ -405,8 +406,8 @@
     "c_cpp.walkthrough.description": "Dive into VS Code's rich C++ development experience.",
     "c_cpp.walkthrough.set.up.title": "Set up your C++ Environment",
     "c_cpp.walkthrough.activating.description": "Activating the C++ extension to determine whether your C++ Environment has been set up.\nActivating Extension...",
-    "c_cpp.walkthrough.no.compilers.description": "We could not find a C++ compiler on your machine, which is required to use the C++ extension. Follow the instructions on the right to install one, then click “Find my new Compiler” below.\n[Find my new Compiler](command:C_Cpp.RescanCompilers)",
-    "c_cpp.walkthrough.compilers.found.description": "The C++ extension works with a C++ compiler. Select one from those already on your machine by clicking the button below.\n[Select my Default Compiler](command:C_Cpp.SelectDefaultCompiler)",
+    "c_cpp.walkthrough.no.compilers.description": "We could not find a C++ compiler on your machine, which is required to use the C++ extension. Follow the instructions on the right to install one, then click “Find my new Compiler” below.\n[Find my new Compiler](command:C_Cpp.RescanCompilers?%7B%22sender%22%3A%22walkthrough%22%7D)",
+    "c_cpp.walkthrough.compilers.found.description": "The C++ extension works with a C++ compiler. Select one from those already on your machine by clicking the button below.\n[Select my Default Compiler](command:C_Cpp.SelectDefaultCompiler?%7B%22sender%22%3A%22walkthrough%22%7D)",
     "c_cpp.walkthrough.compilers.found.altText": "Image showing the select a default compiler quickpick and the list of compilers found on the users machine, one of which is selected.",
     "c_cpp.walkthrough.create.cpp.file.title": "Create a C++ file",
     "c_cpp.walkthrough.create.cpp.file.description": "[Open](command:toSide:workbench.action.files.openFile) or [create](command:toSide:workbench.action.files.newUntitledFile?%7B%22languageId%22%3A%22cpp%22%7D) a C++ file. Be sure to save it with the \".cpp\" extension, such as \"helloworld.cpp\". \n[Create a C++ File](command:toSide:workbench.action.files.newUntitledFile?%7B%22languageId%22%3A%22cpp%22%7D)",