fix #483, adding some search improvements, do not reset it that often

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/MainActivity.kt

@@ -170,7 +170,6 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
 
         isFirstResume = false
         checkShortcuts()
-        invalidateOptionsMenu()
     }
 
     override fun onPause() {
@@ -178,11 +177,6 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
         storeStateVariables()
     }
 
-    override fun onStop() {
-        super.onStop()
-        searchMenuItem?.collapseActionView()
-    }
-
     override fun onDestroy() {
         super.onDestroy()
         config.lastUsedViewPagerPage = viewpager.currentItem