Avoid crashing if loading non-read-only private extension

Fixes #10252

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt

@@ -141,6 +141,11 @@ internal object ExtensionLoader {
             ?.asSequence()
             ?.filter { it.isFile && it.extension == PRIVATE_EXTENSION_EXTENSION }
             ?.mapNotNull {
+                // Just in case, since Android 14+ requires them to be read-only
+                if (it.canWrite()) {
+                    it.setReadOnly()
+                }
+
                 val path = it.absolutePath
                 pkgManager.getPackageArchiveInfo(path, PACKAGE_FLAGS)
                     ?.apply { applicationInfo.fixBasePaths(path) }
@@ -277,7 +282,12 @@ internal object ExtensionLoader {
         val hasReadme = appInfo.metaData.getInt(METADATA_HAS_README, 0) == 1
         val hasChangelog = appInfo.metaData.getInt(METADATA_HAS_CHANGELOG, 0) == 1
 
-        val classLoader = PathClassLoader(appInfo.sourceDir, null, context.classLoader)
+        val classLoader = try {
+            PathClassLoader(appInfo.sourceDir, null, context.classLoader)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e) { "Extension load error: $extName ($pkgName)" }
+            return LoadResult.Error
+        }
 
         val sources = appInfo.metaData.getString(METADATA_SOURCE_CLASS)!!
             .split(";")