Properly format matrix errors in spdlog statements

src/Cache.cpp

@@ -3572,7 +3572,7 @@ Cache::query_keys(const std::string &user_id,
                                            if (err) {
                                                    nhlog::net()->warn(
                                                      "failed to query device keys: {},{}",
-                                                     err->matrix_error.errcode,
+                                                     mtx::errors::to_string(err->matrix_error.errcode),
                                                      static_cast<int>(err->status_code));
                                                    cb({}, err);
                                                    return;

src/DeviceVerificationFlow.cpp

@@ -45,7 +45,7 @@ DeviceVerificationFlow::DeviceVerificationFlow(QObject *,
           user_id, [user_id, this](const UserKeyCache &res, mtx::http::RequestErr err) {
                   if (err) {
                           nhlog::net()->warn("failed to query device keys: {},{}",
-                                             err->matrix_error.errcode,
+                                             mtx::errors::to_string(err->matrix_error.errcode),
                                              static_cast<int>(err->status_code));
                           return;
                   }
@@ -64,7 +64,7 @@ DeviceVerificationFlow::DeviceVerificationFlow(QObject *,
           [this](const UserKeyCache &res, mtx::http::RequestErr err) {
                   if (err) {
                           nhlog::net()->warn("failed to query device keys: {},{}",
-                                             err->matrix_error.errcode,
+                                             mtx::errors::to_string(err->matrix_error.errcode),
                                              static_cast<int>(err->status_code));
                           return;
                   }
@@ -345,7 +345,7 @@ DeviceVerificationFlow::DeviceVerificationFlow(QObject *,
                                             if (err) {
                                                     nhlog::net()->error(
                                                       "failed to upload signatures: {},{}",
-                                                      err->matrix_error.errcode,
+                                                      mtx::errors::to_string(err->matrix_error.errcode),
                                                       static_cast<int>(err->status_code));
                                             }
 
@@ -356,7 +356,7 @@ DeviceVerificationFlow::DeviceVerificationFlow(QObject *,
                                                               "id {}: {}, {}",
                                                               user_id,
                                                               key_id,
-                                                              e.errcode,
+                                                              mtx::errors::to_string(e.errcode),
                                                               e.error);
                                     });
                           }

src/ui/UserProfile.cpp

@@ -159,7 +159,7 @@ UserProfile::fetchDeviceList(const QString &userID)
                                                        mtx::http::RequestErr err) {
                   if (err) {
                           nhlog::net()->warn("failed to query device keys: {},{}",
-                                             err->matrix_error.errcode,
+                                             mtx::errors::to_string(err->matrix_error.errcode),
                                              static_cast<int>(err->status_code));
                           return;
                   }
@@ -174,7 +174,7 @@ UserProfile::fetchDeviceList(const QString &userID)
 
                             if (err) {
                                     nhlog::net()->warn("failed to query device keys: {},{}",
-                                                       err->matrix_error.errcode,
+                                                       mtx::errors::to_string(err->matrix_error.errcode),
                                                        static_cast<int>(err->status_code));
                                     return;
                             }