Fix search screen preview tests and add snapshots

ElementX/Sources/Screens/SearchScreen/View/SearchScreen.swift

@@ -74,7 +74,7 @@ struct SearchScreen: View {
         }
         .frame(maxHeight: .infinity, alignment: .top)
         .background(Color.compound.bgCanvasDefault)
-        .searchable(text: $context.searchQuery, placement: .toolbarPrincipal)
+        .conditionalSearchable(searchQuery: $context.searchQuery)
         .searchFocused($isSearchFieldFocused)
         .autocorrectionDisabled(true)
         .background(tabShortcuts)
@@ -213,6 +213,17 @@ struct SearchScreen: View {
     }
 }
 
+private extension View {
+    /// Searchable makes the preview contents randomly appear lower
+    @ViewBuilder func conditionalSearchable(searchQuery: Binding<String>) -> some View {
+        if !ProcessInfo.isXcodePreview, !ProcessInfo.isRunningTests {
+            searchable(text: searchQuery, placement: .toolbarPrincipal)
+        } else {
+            self
+        }
+    }
+}
+
 private struct SearchScreenRoomCell: View {
     let room: SearchScreenRoom
     let context: SearchScreenViewModel.Context