refactor Search

- have a separate body view for each os
- macOS: set navigation title for search
- macOS: set min width to 835 for main content
- macOS: set main window min height to 600
- macOS: don’t have text behind the cancel button
- split SearchTextField into macOS and iOS/tvOS
- iOS: move search menu to the right
- iOS: unified search field
- make min width a constant
- add option to disable search suggestions

Signed-off-by: Toni Förster <toni.foerster@gmail.com>

Model/Import Export Settings/Importers/BrowsingSettingsGroupImporter.swift

@@ -46,6 +46,10 @@ struct BrowsingSettingsGroupImporter {
             Defaults[.startupSection] = startupSection
         }
 
+        if let showSearchSuggestions = json["showSearchSuggestions"].bool {
+            Defaults[.showSearchSuggestions] = showSearchSuggestions
+        }
+
         if let visibleSections = json["visibleSections"].array {
             let sections = visibleSections.compactMap { visibleSectionJSON in
                 if let visibleSectionString = visibleSectionJSON.rawString(options: []),