Enable log diagnostics without a C/C++ file active. (#12701)

Extension/package.json

@@ -5864,7 +5864,7 @@
                 },
                 {
                     "command": "C_Cpp.LogDiagnostics",
-                    "when": "editorLangId =~ /^(c|(cuda-)?cpp)$/ && !(config.C_Cpp.intelliSenseEngine =~ /^[dD]isabled$/)"
+                    "when": "!(config.C_Cpp.intelliSenseEngine =~ /^[dD]isabled$/)"
                 },
                 {
                     "command": "C_Cpp.RescanWorkspace",