Remove usages of FIND_IN_SET

FIND_IN_SET doesn't make use of indexes

src/web/routes/dashboard/mod.rs

@@ -17,6 +17,7 @@ use serenity::{
     model::id::{ChannelId, GuildId, UserId},
 };
 use sqlx::types::Json;
+use sqlx::FromRow;
 
 use crate::web::{
     catchers::internal_server_error,
@@ -177,7 +178,7 @@ pub struct CreateReminder {
     utc_time: NaiveDateTime,
 }
 
-#[derive(Serialize)]
+#[derive(Serialize, FromRow)]
 pub struct GetReminder {
     attachment_name: Option<String>,
     avatar: Option<String>,
@@ -209,7 +210,7 @@ pub struct GetReminder {
     utc_time: NaiveDateTime,
 }
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, FromRow)]
 pub struct ReminderCsv {
     attachment: Option<Attachment>,
     attachment_name: Option<String>,