upd: loading overlay

Deskripsi:
- update loading saat aksi tambah dan edit pada fitur pengumuman, diskusi umum dan diskusi divisi

No Issues

app/(application)/discussion/create.tsx

@@ -5,6 +5,7 @@ import ButtonSelect from "@/components/buttonSelect";
 import DrawerBottom from "@/components/drawerBottom";
 import ImageUser from "@/components/imageNew";
 import { InputForm } from "@/components/inputForm";
+import LoadingOverlay from "@/components/loadingOverlay";
 import MenuItemRow from "@/components/menuItemRow";
 import ModalSelect from "@/components/modalSelect";
 import SelectForm from "@/components/selectForm";
@@ -185,6 +186,7 @@ export default function CreateDiscussionGeneral() {
                ),
             }}
          />
+         <LoadingOverlay visible={loading} />
          <ScrollView showsVerticalScrollIndicator={false} style={[Styles.h100]}>
             <View style={[Styles.p15, Styles.mb100]}>
                {