fix: address minor bugs in updater and permission (#5707)

* fix(updater): prevent update checker from always showing
* fix(permissions): refresh state on request to fix stale experimental features UI

lawnchair/src/app/lawnchair/ui/preferences/about/NightlyBuildsRepository.kt

@@ -38,9 +38,13 @@ class NightlyBuildsRepository(
                 val nightly = releases.firstOrNull { it.tagName == "nightly" }
                 val asset = nightly?.assets?.firstOrNull()
 
+                // As of now the version string looks like this (CI builds only):
+                // <major>.<branch>.(#<CI build number>)
+                // This is done inside build.gradle in the source root. Reflect
+                // changes from there if needed.
                 val currentVersion = BuildConfig.VERSION_DISPLAY_NAME
-                    .substringAfter("_")
-                    .substringBefore("-")
+                    .substringAfterLast("#")
+                    .removeSuffix(")")
                     .toIntOrNull() ?: 0
                 val latestVersion =
                     asset?.name?.substringAfter("_")?.substringBefore("-")?.toIntOrNull() ?: 0

lawnchair/src/app/lawnchair/ui/preferences/destinations/ExperimentalFeaturesPreferences.kt

@@ -8,6 +8,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.lifecycle.compose.LifecycleResumeEffect
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import app.lawnchair.preferences.getAdapter
 import app.lawnchair.preferences.preferenceManager
@@ -112,6 +113,11 @@ fun ExperimentalFeaturesPreferences(
                     onPermissionRequest = { fileAccessManager.refresh() },
                 )
             }
+            LifecycleResumeEffect(Unit) {
+                showPermissionDialog = false
+                fileAccessManager.refresh()
+                onPauseOrDispose { }
+            }
         }
     }
 }