Fix login dialogs not showing the correct title

app/src/main/java/eu/kanade/tachiyomi/widget/preference/MangaSyncLoginDialog.kt

@@ -33,7 +33,7 @@ class MangaSyncLoginDialog : LoginDialogPreference() {
     }
 
     override fun setCredentialsOnView(view: View) = with(view) {
-        title.text = getString(R.string.login_title, sync.name)
+        dialog_title.text = getString(R.string.login_title, sync.name)
         username.setText(preferences.getMangaSyncUsername(sync))
         password.setText(preferences.getMangaSyncPassword(sync))
     }

app/src/main/java/eu/kanade/tachiyomi/widget/preference/SourceLoginDialog.kt

@@ -33,7 +33,7 @@ class SourceLoginDialog : LoginDialogPreference() {
     }
 
     override fun setCredentialsOnView(view: View) = with(view) {
-        title.text = getString(R.string.login_title, source.visibleName)
+        dialog_title.text = getString(R.string.login_title, source.visibleName)
         username.setText(preferences.getSourceUsername(source))
         password.setText(preferences.getSourcePassword(source))
     }

app/src/main/res/layout/pref_account_login.xml

@@ -9,8 +9,7 @@
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="@string/login_title"
-        android:id="@+id/title"
+        android:id="@+id/dialog_title"
         android:textStyle="bold"
         android:textSize="16sp"
         android:layout_gravity="center_horizontal" />