Refactor FXIOS-7301 - Remove 1 closure_body_length violation from Bro…

…wserViewController.swift (#21334)

* Extract microsurvey actions to a new function

* Use the new function

* Change access modifier

firefox-ios/Client/Frontend/Browser/BrowserViewController/Views/BrowserViewController.swift

@@ -642,20 +642,7 @@ class BrowserViewController: UIViewController,
 
             executeToolbarActions()
 
-            // Microsurveys
-            if !state.microsurveyState.showPrompt {
-                guard microsurvey != nil else { return }
-                removeMicrosurveyPrompt()
-            } else if state.microsurveyState.showSurvey {
-                guard let model = state.microsurveyState.model else {
-                    logger.log("Microsurvey model should not be nil", level: .warning, category: .redux)
-                    return
-                }
-                navigationHandler?.showMicrosurvey(model: model)
-            } else if state.microsurveyState.showPrompt {
-                guard microsurvey == nil else { return }
-                createMicrosurveyPrompt(with: state.microsurveyState)
-            }
+            handleMicrosurvey(state: state)
         }
     }
 
@@ -675,6 +662,22 @@ class BrowserViewController: UIViewController,
         show(toast: toast)
     }
 
+    private func handleMicrosurvey(state: BrowserViewControllerState) {
+        if !state.microsurveyState.showPrompt {
+            guard microsurvey != nil else { return }
+            removeMicrosurveyPrompt()
+        } else if state.microsurveyState.showSurvey {
+            guard let model = state.microsurveyState.model else {
+                logger.log("Microsurvey model should not be nil", level: .warning, category: .redux)
+                return
+            }
+            navigationHandler?.showMicrosurvey(model: model)
+        } else if state.microsurveyState.showPrompt {
+            guard microsurvey == nil else { return }
+            createMicrosurveyPrompt(with: state.microsurveyState)
+        }
+    }
+
     // MARK: - Lifecycle
 
     override func viewDidLoad() {