Only reload global view on pulldown refresh

Changelog-Changed: Only reload global view on pulldown refresh

damus/Models/SearchHomeModel.swift

@@ -10,17 +10,18 @@ import Foundation
 
 /// The data model for the SearchHome view, typically something global-like
 class SearchHomeModel: ObservableObject {
-    @Published var events: [NostrEvent] = []
+    @Published var events: [NostrEvent]
     @Published var loading: Bool = false
 
     var seen_pubkey: Set<String> = Set()
-    let damus_state: DamusState
+    var damus_state: DamusState
     let base_subid = UUID().description
     let profiles_subid = UUID().description
     let limit: UInt32 = 250
     
-    init(damus_state: DamusState) {
-        self.damus_state = damus_state
+    init() {
+        self.events = []
+        self.damus_state = .empty
     }
     
     func get_base_filter() -> NostrFilter {