[iOS] - Fix Translate Crash on iPad (#27857)

* Use phoneWidth for translate onboarding on iPad.
* Fix button not working due to status being pending

Author: Brandon-T

ios/brave-ios/Sources/Brave/Frontend/Brave Translate/BraveTranslateTabHelper.swift

@@ -209,12 +209,12 @@ class BraveTranslateTabHelper: NSObject {
     // Cache CSS and JS requests
     Self.requestCache[request.url] = (data, response)
 
-    if isTranslationRequest && canShowToast {
-      canShowToast = false
+    if isTranslationRequest {
+      delegate?.updateTranslateURLBar(tab: tab, state: .active)
 
-      Task { @MainActor in
-        self.delegate?.updateTranslateURLBar(tab: tab, state: .active)
-        self.delegate?.presentToast(tab: tab, languageInfo: currentLanguageInfo)
+      if canShowToast {
+        canShowToast = false
+        delegate?.presentToast(tab: tab, languageInfo: currentLanguageInfo)
       }
     }
 

ios/brave-ios/Sources/Brave/Frontend/Browser/BrowserViewController/BVC+Translate.swift

@@ -74,10 +74,11 @@ extension BrowserViewController: BraveTranslateScriptHandlerDelegate {
             completion(false)
           }
         ),
-        autoLayoutConfiguration: .init(preferredWidth: self.view.bounds.width - (32.0 * 2.0))
+        autoLayoutConfiguration: .phoneWidth
       )
 
       popover.arrowDistance = 10.0
+      popover.outerMargins = UIEdgeInsets(equalInset: 16.0)
 
       popover.previewForOrigin = .init(
         view: self.topToolbar.locationView.translateButton.then {