Ensure database connection is initialized before checking if it's closed

Author: ammodev

gradle.properties

@@ -1,4 +1,4 @@
 kotlin.code.style=official
 kotlin.stdlib.default.dependency=false
 org.gradle.parallel=true
-version=1.0.1-SNAPSHOT
+version=1.0.2-SNAPSHOT

src/main/kotlin/dev/slne/surf/database/DatabaseProvider.kt

@@ -30,7 +30,7 @@ class DatabaseProvider(configDirectory: Path, private val storageDirectory: Path
     private val config get() = surfConfigApi.getSpongeConfig<DatabaseConfig>()
 
     fun connect() {
-        if (!connection.connector().isClosed) {
+        if (::connection.isInitialized && !connection.connector().isClosed) {
             disconnect()
         }