chore: Move remaining auth methods to plugins (#4900)

* Move Google, Email, and Azure to plugins

* Move OIDC provider, remove old loading code

* Move AuthLogo to plugin

* AuthLogo -> PluginIcon

* Lazy load plugin settings

plugins/azure/client/Icon.tsx

@@ -0,0 +1,45 @@
+import * as React from "react";
+
+type Props = {
+  /** The size of the icon, 24px is default to match standard icons */
+  size?: number;
+  /** The color of the icon, defaults to the current text color */
+  fill?: string;
+  className?: string;
+};
+
+function MicrosoftLogo({ size = 24, fill = "#FFF", className }: Props) {
+  return (
+    <svg
+      fill={fill}
+      width={size}
+      height={size}
+      viewBox="0 0 24 24"
+      xmlns="http://www.w3.org/2000/svg"
+      className={className}
+    >
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M12.4707 4.47059H19.9999C19.9999 6.73751 20.0003 9.00442 19.9994 11.2713C17.4902 11.271 14.9804 11.2713 12.4712 11.2713C12.4703 9.00442 12.4707 6.73751 12.4707 4.47059Z"
+      />
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M12.471 12.2434C14.9804 12.2426 17.4902 12.243 20 12.243V19.5294H12.4706C12.471 17.1006 12.4702 14.6718 12.471 12.2434Z"
+      />
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M4 4.47059H11.5294L11.5288 11.2713H4V4.47059Z"
+      />
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M4 12.2429C6.50974 12.2437 9.01948 12.2426 11.5292 12.2437C11.5296 14.6724 11.5292 17.1007 11.5292 19.5294H4V12.2429Z"
+      />
+    </svg>
+  );
+}
+
+export default MicrosoftLogo;