Treat bottom view in share view as a target view to inject other views

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>

shell_integration/MacOSX/NextcloudIntegration/FileProviderUIExt/ShareViewController.swift

@@ -19,6 +19,7 @@ class ShareViewController: NSViewController {
     @IBOutlet weak var descriptionLabel: NSTextField!
     @IBOutlet weak var closeButton: NSButton!
     @IBOutlet weak var tableView: NSTableView!
+    @IBOutlet weak var optionsTargetView: NSView!
 
     public override var nibName: NSNib.Name? {
         return NSNib.Name(self.className)

shell_integration/MacOSX/NextcloudIntegration/FileProviderUIExt/ShareViewController.xib

@@ -13,6 +13,7 @@
                 <outlet property="descriptionLabel" destination="gX0-nE-MrU" id="RoY-u1-1on"/>
                 <outlet property="fileNameIcon" destination="zSV-DV-Ray" id="336-e0-CEo"/>
                 <outlet property="fileNameLabel" destination="slV-H6-zJ3" id="DPp-sN-Yff"/>
+                <outlet property="optionsTargetView" destination="EXb-m8-yzj" id="gh6-JU-fnq"/>
                 <outlet property="tableView" destination="vb0-a6-eeH" id="KQo-eg-dba"/>
                 <outlet property="view" destination="Jw6-da-U8j" id="5Ek-F1-w7C"/>
             </connections>