struct changes to accomodate for reporting all sources

Author: anna-git

include/datadog/telemetry/product.h

@@ -5,6 +5,7 @@
 
 #include <string>
 #include <unordered_map>
+#include <vector>
 
 namespace datadog::telemetry {
 
@@ -30,7 +31,7 @@ struct Product final {
   /// Optional error message related to the product status.
   tracing::Optional<std::string> error_message;
   /// Map of configuration settings for the product.
-  std::unordered_map<tracing::ConfigName, tracing::ConfigMetadata>
+  std::unordered_map<tracing::ConfigName, std::vector<tracing::ConfigMetadata>>
       configurations;
 };
 

src/datadog/telemetry/telemetry_impl.cpp

@@ -587,11 +587,12 @@ std::string Telemetry::app_started_payload() {
 
   for (const auto& product : config_.products) {
     auto& configurations = product.configurations;
-    for (const auto& [_, config_metadata] : configurations) {
+    for (const auto& [_, config_metadatas] : configurations) {
       // if (config_metadata.value.empty()) continue;
-
-      configuration_json.emplace_back(
-          generate_configuration_field(config_metadata));
+      for (const auto& config_metadata : config_metadatas) {
+        configuration_json.emplace_back(
+            generate_configuration_field(config_metadata));
+      }
     }
 
     /// NOTE(@dmehala): Telemetry API is tightly related to APM tracing and