[stable-3.30] Fix local db version to avoid crash during app upgrade

app/src/main/java/com/nextcloud/client/database/NextcloudDatabase.kt

@@ -72,7 +72,10 @@ abstract class NextcloudDatabase : RoomDatabase() {
     abstract fun fileDao(): FileDao
 
     companion object {
-        const val FIRST_ROOM_DB_VERSION = 65
+        // NMC customization
+        // NMC play store version 7.21.9 had db version 64 before SqLite to Room migration
+        // Keeping it 65(as per NC) will lead to crash when user tried to upgrade the app
+        const val FIRST_ROOM_DB_VERSION = 64
         private var instance: NextcloudDatabase? = null
 
         @JvmStatic

app/src/test/java/com/nmc/DatabaseVersionTest.kt

@@ -0,0 +1,14 @@
+package com.nmc
+
+import com.nextcloud.client.database.NextcloudDatabase
+import org.junit.Test
+
+class DatabaseVersionTest {
+
+    @Test
+    fun validateDatabaseVersion() {
+        //for NMC the version will start from 64 only
+        //validating via test case to check if any test changes done during rebasing or merging
+        assert(64 == NextcloudDatabase.FIRST_ROOM_DB_VERSION)
+    }
+}