improved iconPicker component + other improvements

components/Popover.tsx

@@ -0,0 +1,21 @@
+import React from "react";
+import ClickAwayHandler from "./ClickAwayHandler";
+
+type Props = {
+  children: React.ReactNode;
+  onClose: Function;
+  className?: string;
+};
+
+const Popover = ({ children, className, onClose }: Props) => {
+  return (
+    <ClickAwayHandler
+      onClickOutside={() => onClose()}
+      className={`absolute z-50 ${className || ""}`}
+    >
+      {children}
+    </ClickAwayHandler>
+  );
+};
+
+export default Popover;