Apply suggestions from code review

Author: LunarX

app/src/main/java/com/infomaniak/mail/ui/newMessage/NewMessageFragment.kt

@@ -377,9 +377,7 @@ class NewMessageFragment : Fragment() {
     }
 
     private fun disableButtonsWhenFocusIsLost() {
-        newMessageViewModel.isEditorWebViewFocusedLiveData.observe(viewLifecycleOwner) { hasFocus ->
-            setToolbarEnabledStatus(hasFocus)
-        }
+        newMessageViewModel.isEditorWebViewFocusedLiveData.observe(viewLifecycleOwner, ::setToolbarEnabledStatus)
     }
 
     private fun setToolbarEnabledStatus(isEnabled: Boolean) {

app/src/main/java/com/infomaniak/mail/ui/newMessage/NewMessageRecipientFieldsManager.kt

@@ -121,10 +121,10 @@ class NewMessageRecipientFieldsManager @Inject constructor(private val snackbarM
     }
 
     fun setOnFocusChangedListeners() = with(newMessageViewModel) {
-        binding.subjectTextField.setOnFocusChangeListener { _, hasFocus -> if (hasFocus) fieldGotFocus(null) }
+        binding.subjectTextField.setOnFocusChangeListener { _, hasFocus -> if (hasFocus) fieldGotFocus(field = null) }
         binding.editorWebView.setOnFocusChangeListener { _, hasFocus -> isEditorWebViewFocusedLiveData.value = hasFocus }
 
-        isEditorWebViewFocusedLiveData.observe(viewLifecycleOwner) { hasFocus -> if (hasFocus) fieldGotFocus(null) }
+        isEditorWebViewFocusedLiveData.observe(viewLifecycleOwner) { hasFocus -> if (hasFocus) fieldGotFocus(field = null) }
     }
 
     fun focusBodyField() {