upd: loading overlay

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

No Issues

app/(application)/discussion/edit/[id].tsx

@@ -5,6 +5,7 @@ import ButtonSaveHeader from "@/components/buttonSaveHeader";
 import ButtonSelect from "@/components/buttonSelect";
 import DrawerBottom from "@/components/drawerBottom";
 import { InputForm } from "@/components/inputForm";
+import LoadingOverlay from "@/components/loadingOverlay";
 import MenuItemRow from "@/components/menuItemRow";
 import Styles from "@/constants/Styles";
 import { apiEditDiscussionGeneral, apiGetDiscussionGeneralOne } from "@/lib/api";
@@ -182,6 +183,7 @@ export default function EditDiscussionGeneral() {
                ),
             }}
          />
+         <LoadingOverlay visible={loading} />
          <ScrollView showsVerticalScrollIndicator={false} style={[Styles.h100]}>
             <View style={[Styles.p15]}>
                <InputForm