fix: wallet migration (#6773)

Description
---
Small fix for the key manager table to enable migration of wallets from
pre compressed pr to dev

base_layer/core/src/transactions/transaction_key_manager/migrations/2025-01-20-091130_initial/up.sql

@@ -1,11 +1,11 @@
-CREATE TABLE key_manager_states (
+CREATE TABLE IF NOT EXISTS key_manager_states (
     id                INTEGER PRIMARY KEY NOT NULL,
     branch_seed       TEXT UNIQUE         NOT NULL,
     primary_key_index BLOB                NOT NULL,
     timestamp         DATETIME            NOT NULL
 );
 
-CREATE TABLE imported_keys (
+CREATE TABLE IF NOT EXISTS imported_keys (
     id                INTEGER PRIMARY KEY NOT NULL,
     private_key       BLOB UNIQUE         NOT NULL,
     public_key        TEXT                NOT NULL,