Turn-off experiment logs when telemetry is disabled (#17908)

* Turnoff experiment logs when telemtry is diabled

* Fix tests

Author: karthiknadig

.github/ISSUE_TEMPLATE/1_new_bug_report.yml

@@ -40,7 +40,7 @@ body:
     attributes:
       label: Language server
       description: 'The value of the `python.languageServer` setting'
-      options: ['Default', 'Pylance', 'Jedi', 'Disabled']
+      options: ['Default', 'Pylance', 'Jedi', 'None or Disabled']
     validations:
       required: true
   - type: textarea

src/client/common/experiments/service.ts

@@ -142,6 +142,19 @@ export class ExperimentService implements IExperimentService {
     }
 
     private logExperiments() {
+        const telemetrySettings = this.workspaceService.getConfiguration('telemetry');
+        if (telemetrySettings && telemetrySettings.get<boolean>('enableTelemetry') === false) {
+            this.output.appendLine('Telemetry is disabled');
+            this.output.appendLine('Experiments are disabled');
+            return;
+        }
+
+        if (telemetrySettings && telemetrySettings.get<string>('telemetryLevel') === 'off') {
+            this.output.appendLine('Telemetry level is off');
+            this.output.appendLine('Experiments are disabled');
+            return;
+        }
+
         if (this._optOutFrom.includes('All')) {
             // We prioritize opt out first
             this.output.appendLine(Experiments.optedOutOf().format('All'));