Improve user options fetching and loading state handling (#2105)

Author: obenland

.github/changelog/2105-from-description

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Blocks relying on user selectors no longer error due to a race condition when fetching users.

build/follow-me/index.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('react', 'wp-api-fetch', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-core-data', 'wp-data', 'wp-element', 'wp-i18n', 'wp-primitives'), 'version' => 'fd3e55e7c2a5a9ccf6aa');
+<?php return array('dependencies' => array('react', 'wp-api-fetch', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-core-data', 'wp-data', 'wp-element', 'wp-i18n', 'wp-primitives'), 'version' => '637aaea1bc267cd129b8');

build/follow-me/index.js

@@ -1 +1 @@
-<?php return array('dependencies' => array('react', 'wp-api-fetch', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-core-data', 'wp-data', 'wp-element', 'wp-i18n', 'wp-primitives', 'wp-url'), 'version' => 'c77d1a48d1f72aa10427');
+<?php return array('dependencies' => array('react', 'wp-api-fetch', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-core-data', 'wp-data', 'wp-element', 'wp-i18n', 'wp-primitives', 'wp-url'), 'version' => 'f4361b0609386bc3e0eb');