Remove permission requirement in a better way for debug builds

and reformat some SettingsFragment details
diff --git a/app/src/debug/AndroidManifest.xml b/app/src/debug/AndroidManifest.xml
index 0983626..0888d2f 100644
--- a/app/src/debug/AndroidManifest.xml
+++ b/app/src/debug/AndroidManifest.xml
@@ -7,13 +7,11 @@
         <activity
             android:name="com.stevesoltys.seedvault.settings.SettingsActivity"
             android:exported="true"
-            android:permission=""
-            tools:replace="android:permission" />
+            tools:remove="android:permission" />
         <activity
             android:name="com.stevesoltys.seedvault.restore.RestoreActivity"
             android:exported="true"
-            android:permission=""
-            tools:replace="android:permission" />
+            tools:remove="android:permission" />
     </application>
 
 </manifest>
diff --git a/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsFragment.kt b/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsFragment.kt
index ff26c3a..e2a817b 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsFragment.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsFragment.kt
@@ -130,14 +130,14 @@
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        viewModel.lastBackupTime.observe(viewLifecycleOwner, { time ->
+        viewModel.lastBackupTime.observe(viewLifecycleOwner) { time ->
             setAppBackupStatusSummary(time)
-        })
+        }
 
         val backupFiles: Preference = findPreference("backup_files")!!
-        viewModel.filesSummary.observe(viewLifecycleOwner, { summary ->
+        viewModel.filesSummary.observe(viewLifecycleOwner) { summary ->
             backupFiles.summary = summary
-        })
+        }
     }
 
     override fun onStart() {
@@ -160,10 +160,10 @@
         if (resources.getBoolean(R.bool.show_restore_in_settings)) {
             menuRestore?.isVisible = true
         }
-        viewModel.backupPossible.observe(viewLifecycleOwner, { possible ->
+        viewModel.backupPossible.observe(viewLifecycleOwner) { possible ->
             menuBackupNow?.isEnabled = possible
             menuRestore?.isEnabled = possible
-        })
+        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean = when (item.itemId) {
diff --git a/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsViewModel.kt b/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsViewModel.kt
index 8da4f9f..eb7505b 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsViewModel.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsViewModel.kt
@@ -193,9 +193,9 @@
     @UiThread
     fun loadFilesSummary() = viewModelScope.launch {
         val uriSummary = storageBackup.getUriSummaryString()
-        _filesSummary.value = if (uriSummary.isEmpty()) {
+        _filesSummary.value = uriSummary.ifEmpty {
             app.getString(R.string.settings_backup_files_summary)
-        } else uriSummary
+        }
     }
 
     /**