[MM-32691] - Send email when the users are not able to join a workspace (#16958)

* [MM-32691] - Send email when the users are not able to join a workspace

* Revert "[MM-32691] - Send email when the users are not able to join a workspace"

This reverts commit 3c11643c7c6867d992743a15675f0099df4f4e4d.

* Feeback impl-1

* use date as key for rate limiting

* Fix tests

* Translations

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/client4.go

@@ -5982,3 +5982,13 @@ func (c *Client4) SendAdminUpgradeRequestEmail() *Response {
 
 	return BuildResponse(r)
 }
+
+func (c *Client4) SendAdminUpgradeRequestEmailOnJoin() *Response {
+	r, appErr := c.DoApiPost(c.GetCloudRoute()+"/subscription/limitreached/join", "")
+	if appErr != nil {
+		return BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	return BuildResponse(r)
+}