kill application on back press (#739)

* kill application on back press

* fix: spotless

app/src/main/java/com/yogeshpaliyal/keypass/ui/nav/DashboardComposeActivity.kt

@@ -89,6 +89,10 @@ class DashboardComposeActivity : AppCompatActivity() {
             })
         }
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+    }
 }
 
 @Composable
@@ -104,7 +108,7 @@ fun Dashboard() {
 
     LaunchedEffect(key1 = systemBackPress, block = {
         if (systemBackPress) {
-            (context as? ComponentActivity)?.onBackPressed()
+            (context as? ComponentActivity)?.finishAffinity()
         }
     })
 

app/src/main/java/com/yogeshpaliyal/keypass/utils/StringDiffUtil.kt

@@ -1,12 +0,0 @@
-package com.yogeshpaliyal.keypass.utils
-
-import androidx.recyclerview.widget.DiffUtil
-
-/**
- * Alias to represent a folder (a String title) into which emails can be placed.
- */
-
-object StringDiffUtil : DiffUtil.ItemCallback<String>() {
-    override fun areItemsTheSame(oldItem: String, newItem: String) = oldItem == newItem
-    override fun areContentsTheSame(oldItem: String, newItem: String) = oldItem == newItem
-}