Add OIDC and Plex authentication methods

(cherry picked from commit 3ff3de6b90704fba266833115cd9d03ace99aae9)

frontend/src/Components/Form/PlexMachineInput.js

@@ -0,0 +1,44 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import LoadingIndicator from 'Components/Loading/LoadingIndicator';
+import SelectInput from './SelectInput';
+
+function PlexMachineInput(props) {
+  const {
+    isFetching,
+    isDisabled,
+    value,
+    values,
+    onChange,
+    ...otherProps
+  } = props;
+
+  const helpText = 'Authenticate with plex.tv to show servers to use for authentication';
+
+  return (
+    <>
+      {
+        isFetching ?
+          <LoadingIndicator /> :
+          <SelectInput
+            value={value}
+            values={values}
+            isDisabled={isDisabled}
+            onChange={onChange}
+            helpText={helpText}
+            {...otherProps}
+          />
+      }
+    </>
+  );
+}
+
+PlexMachineInput.propTypes = {
+  isFetching: PropTypes.bool.isRequired,
+  isDisabled: PropTypes.bool.isRequired,
+  value: PropTypes.string,
+  values: PropTypes.arrayOf(PropTypes.object).isRequired,
+  onChange: PropTypes.func.isRequired
+};
+
+export default PlexMachineInput;