Ensure we record the config sources immediately

Author: andrewlock

tracer/src/Datadog.Trace/ClrProfiler/AutoInstrumentation/ManualInstrumentation/Tracer/ConfigureIntegration.cs

@@ -52,6 +52,9 @@ internal static void ConfigureSettingsWithManualOverrides(Dictionary<string, obj
                 ? new ManualInstrumentationLegacyConfigurationSource(values, isFromDefaults)
                 : new ManualInstrumentationConfigurationSource(values, isFromDefaults);
 
+        // We need to save this immediately, even if there's no manifest changes in the final settings
+        GlobalConfigurationSource.UpdateManualConfigurationSource(manualConfig);
+
         var tracerSettings = Datadog.Trace.Tracer.Instance.Settings;
         var dynamicConfig = GlobalConfigurationSource.DynamicConfigurationSource;
         var initialSettings = isFromDefaults
@@ -91,8 +94,6 @@ internal static void ConfigureSettingsWithManualOverrides(Dictionary<string, obj
         }
 
         Log.Information("Applying new configuration in code");
-        GlobalConfigurationSource.UpdateManualConfigurationSource(manualConfig);
-
         TracerSettings newSettings;
         if (isSameExporterSettings)
         {

tracer/src/Datadog.Trace/Configuration/DynamicConfigurationManager.cs

@@ -70,6 +70,9 @@ private static void OnConfigurationChanged(IConfigurationSource dynamicConfig)
                                       ? tracerSettings.InitialMutableSettings
                                       : MutableSettings.CreateWithoutDefaultSources(tracerSettings);
 
+            // We save this immediately, even if there's no manifest changes in the final settings
+            GlobalConfigurationSource.UpdateDynamicConfigConfigurationSource(dynamicConfig);
+
             OnConfigurationChanged(
                 dynamicConfig,
                 manualSource,
@@ -105,8 +108,6 @@ private static void OnConfigurationChanged(
             }
 
             Log.Information("Applying new dynamic configuration");
-            GlobalConfigurationSource.UpdateDynamicConfigConfigurationSource(dynamicConfig);
-
             var newSettings = tracerSettings with { MutableSettings = newMutableSettings };
 
             /*