Add indication of followers you know in a profile

Changelog-Added: Add indication of followers you know in a profile

damus/Views/Profile/CondensedProfilePicturesView.swift

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+//
+//  CondensedProfilePicturesView.swift
+//  damus
+//
+//  Created by Terry Yiu on 6/19/23.
+//
+
+import SwiftUI
+
+struct CondensedProfilePicturesView: View {
+    let state: DamusState
+    let pubkeys: [String]
+    let maxPictures: Int
+
+    init(state: DamusState, pubkeys: [String], maxPictures: Int) {
+        self.state = state
+        self.pubkeys = pubkeys
+        self.maxPictures = min(maxPictures, pubkeys.count)
+    }
+
+    var body: some View {
+        // Using ZStack to make profile pictures floating and stacked on top of each other.
+        ZStack {
+            ForEach((0..<maxPictures).reversed(), id: \.self) { index in
+                ProfilePicView(pubkey: pubkeys[index], size: 32.0, highlight: .none, profiles: state.profiles, disable_animation: state.settings.disable_animation)
+                    .offset(x: CGFloat(index) * 20)
+            }
+        }
+        // Padding is needed so that other components drawn adjacent to this view don't get drawn on top.
+        .padding(.trailing, CGFloat((maxPictures - 1) * 20))
+    }
+}
+
+struct CondensedProfilePicturesView_Previews: PreviewProvider {
+    static var previews: some View {
+        CondensedProfilePicturesView(state: test_damus_state(), pubkeys: ["a", "b", "c", "d"], maxPictures: 3)
+    }
+}