Ignore duplicate start destination updates

app/src/main/java/gq/kirmanak/mealient/extensions/ViewExtensions.kt

@@ -6,6 +6,8 @@ import android.widget.TextView
 import androidx.annotation.StringRes
 import androidx.core.widget.doAfterTextChanged
 import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
 import androidx.lifecycle.lifecycleScope
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import com.google.android.material.textfield.TextInputLayout
@@ -84,4 +86,13 @@ fun <T> SharedPreferences.prefsChangeFlow(
     sendValue()
     registerOnSharedPreferenceChangeListener(listener)
     awaitClose { unregisterOnSharedPreferenceChangeListener(listener) }
+}
+
+fun <T> LiveData<T>.observeOnce(lifecycleOwner: LifecycleOwner, observer: Observer<T>) {
+    observe(lifecycleOwner, object : Observer<T> {
+        override fun onChanged(value: T) {
+            removeObserver(this)
+            observer.onChanged(value)
+        }
+    })
 }