minor visual cleanup on spinnerCurrency in Settings

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

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:tools="http://schemas.android.com/tools"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        tools:context="org.myhush.silentdragon.ui.SettingsActivity">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="org.myhush.silentdragon.ui.SettingsActivity">
 
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/scrollView2"
@@ -95,7 +95,6 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/chkDisallowInternet" />
 
-
         <View
             android:id="@+id/divider3"
             android:layout_width="0dp"
@@ -110,7 +109,6 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/textView4" />
 
-
         <TextView
             android:id="@+id/textView11"
             android:layout_width="131dp"
@@ -125,11 +123,11 @@
 
         <Spinner
             android:id="@+id/spinnerCurrency"
-            android:layout_width="374dp"
-            android:layout_height="47dp"
-            android:layout_marginStart="10dp"
+            android:layout_width="370dp"
+            android:layout_height="40dp"
+            android:layout_marginStart="16dp"
             android:layout_marginTop="16dp"
-            android:layout_marginEnd="10dp"
+            android:layout_marginEnd="16dp"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/textView11" />
@@ -148,7 +146,6 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/spinnerCurrency" />
 
-
         <TextView
             android:id="@+id/textView10"
             android:layout_width="wrap_content"
@@ -158,7 +155,7 @@
             android:text="@string/silentdragon_version"
             android:textStyle="bold"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/divider4" />/>
+            app:layout_constraintTop_toBottomOf="@+id/divider4" />
 
         <TextView
             android:id="@+id/lblServerVersion"