client: make the info bar part of the scrollable content, prevent overlapping with the floating buttons

apps/client/src/components/app_context.ts

@@ -499,6 +499,10 @@ type EventMappings = {
         noteIds: string[];
     };
     refreshData: { ntxId: string | null | undefined };
+    contentSafeMarginChanged: {
+        top: number;
+        noteContext: NoteContext;
+    }
 };
 
 export type EventListener<T extends EventNames> = {