IOS-2579 Add ability to add content to the right side of list header

Anytype/Sources/PresentationLayer/Common/SwiftUI/List/ListSectionHeaderView.swift

@@ -1,16 +1,26 @@
 import SwiftUI
 
-struct ListSectionHeaderView: View {
+struct ListSectionHeaderView<Content>: View where Content: View {
     let title: String
+    let rightContent: () -> Content?
+
+    init(title: String, @ViewBuilder rightContent: @escaping () -> Content? = { EmptyView() }) {
+        self.title = title
+        self.rightContent = rightContent
+    }
 
     var body: some View {
-        SectionHeaderView(title: title)
+        SectionHeaderView(title: title, rightContent: rightContent)
             .divider(spacing: 0, alignment: .leading)
     }
 }
 
-struct ListSectionHeaderView_Previews: PreviewProvider {
-    static var previews: some View {
-        ListSectionHeaderView(title: "title")
+#Preview("SectionHeader") {
+    ListSectionHeaderView(title: "Title")
+}
+
+#Preview("SectionHeader with clear button") {
+    ListSectionHeaderView(title: "Title") {
+        Button(Loc.clear, action: {})
     }
 }

Anytype/Sources/PresentationLayer/Common/SwiftUI/List/SectionHeaderView.swift

@@ -1,14 +1,20 @@
 import Foundation
 import SwiftUI
 
-struct SectionHeaderView: View {
-
+struct SectionHeaderView<Content>: View where Content: View {
     let title: String
+    let rightContent: () -> Content?
+
+    init(title: String, @ViewBuilder rightContent: @escaping () -> Content? = { EmptyView() }) {
+        self.title = title
+        self.rightContent = rightContent
+    }
 
     var body: some View {
         HStack(spacing: 0) {
             AnytypeText(title, style: .caption1Regular, color: .Text.secondary)
             Spacer()
+            rightContent()
         }
         .padding(.top, 26)
         .padding(.bottom, 8)