fix bugs with message hiding

src/ViewModel/Pages/messagePageViewModel.ts

@@ -127,10 +127,12 @@ export default class MessagePageViewModel extends Context {
 
     revokeReactionFilter = (): void => {
         this.reactionFilter.value = undefined;
+	this.chatViewModel.chatModel.storeFilter("");
     };
 
     setReactionFilter = (content: ReactionSymbols): void => {
         this.reactionFilter.value = content;
+	this.chatViewModel.chatModel.storeFilter(content);
     };
 
     resetFilter = (): void => {
@@ -196,6 +198,9 @@ export default class MessagePageViewModel extends Context {
                 this.reactionFilter.value != undefined,
         );
 
+	const previousFilter = this.chatViewModel.chatModel.getFilter() as any;
+	if (Object.values(ReactionSymbols).includes(previousFilter)) this.setReactionFilter(previousFilter);
+
         // keystrokes
         this.registerKeyStroke(CommonKeys.Filter, this.showFilterModal);
         this.registerKeyStroke(CommonKeys.CloseOrCancel, () => {