Progressive GIF search shouldn't dismiss keyboard.

// FREEBIE

Signal/src/ViewControllers/GifPicker/GifPickerViewController.swift

@@ -365,7 +365,7 @@ class GifPickerViewController: OWSViewController, UISearchBarDelegate, UICollect
                 return
             }
 
-            strongSelf.tryToSearch()
+            strongSelf.tryToSearch(dismissKeyboard: false)
         }
     }
 
@@ -373,7 +373,7 @@ class GifPickerViewController: OWSViewController, UISearchBarDelegate, UICollect
         tryToSearch()
     }
 
-    public func tryToSearch() {
+    public func tryToSearch(dismissKeyboard: Bool = true) {
         progressiveSearchTimer?.invalidate()
         progressiveSearchTimer = nil
 
@@ -384,15 +384,17 @@ class GifPickerViewController: OWSViewController, UISearchBarDelegate, UICollect
                                                            comment: "Alert message shown when user tries to search for GIFs without entering any search terms."))
             return
         }
-        search(query:text)
+        search(query: text, dismissKeyboard: dismissKeyboard)
     }
 
-    private func search(query: String) {
+    private func search(query: String, dismissKeyboard: Bool = true) {
         Logger.info("\(TAG) searching: \(query)")
 
         progressiveSearchTimer?.invalidate()
         progressiveSearchTimer = nil
+        if dismissKeyboard {
             self.searchBar.resignFirstResponder()
+        }
         imageInfos = []
         viewMode = .searching
         self.collectionView.contentOffset = CGPoint.zero