Only commit non-commited rules

app/src/main/java/com/frostnerd/smokescreen/database/dao/DnsRuleDao.kt

@@ -57,7 +57,7 @@ interface DnsRuleDao {
     @Query("DELETE FROM DnsRule WHERE stagingType=2")
     fun deleteStagedRules()
 
-    @Query("UPDATE OR IGNORE DnsRule SET stagingType=0")
+    @Query("UPDATE OR IGNORE DnsRule SET stagingType=0 WHERE stagingType!=0")
     fun commitStaging()
 
     @Insert