adding 2 more crashfixes

Author: tibbi

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

@@ -901,7 +901,7 @@ class EditContactActivity : ContactActivity() {
             return
         }
 
-        contact!!.apply {
+        contact?.apply {
             val oldPhotoUri = photoUri
 
             prefix = contact_prefix.value

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

@@ -92,7 +92,9 @@ class ViewContactActivity : ContactActivity() {
         (contact_appbar.layoutParams as RelativeLayout.LayoutParams).topMargin = statusBarHeight
         contact_toolbar.menu.apply {
             findItem(R.id.share).setOnMenuItemClickListener {
-                shareContact(fullContact!!)
+                if (fullContact != null) {
+                    shareContact(fullContact!!)
+                }
                 true
             }