[SG-419] Fix problems with push notifications on self-host (#2338)

* Added "internal" to non-user-based request types to avoid failing validation.

* Added handling of unsuccessful response so that JSON parsing eror doesn't occur.

* Added logging for token errors.

(cherry picked from commit dad143b3e42247bc6b397b60803e25d243bd83a5)

* Fixed bug in next auth attempt handling.

* Fixed linting.

* Added deserialization options to handle case insensitivity.

* Added a new method for SendAsync that does not expect a result from the client.

* hasJsonResult param to make Send more reusable

* some cleanup

* fix lint problems

* Added launch config for Notifications.

* Added Notifications to Full Server config.

Co-authored-by: Kyle Spearrin <kyle.spearrin@gmail.com>

.vscode/tasks.json

@@ -89,6 +89,22 @@
                 "isDefault": true
             }
         },
+        {
+            "label": "buildNotifications",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "build",
+                "${workspaceFolder}/src/Notifications/Notifications.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
         {
             "label": "buildBilling",
             "command": "dotnet",