agent: reset schema after changes (#1690)

Author: epoberezkin

src/Simplex/Messaging/Agent/Store/SQLite/Migrations/M20240624_snd_secure.hs

@@ -17,7 +17,7 @@ UPDATE sqlite_master
 SET sql = replace(sql, 'sender_key BLOB NOT NULL,', 'sender_key BLOB,')
 WHERE name = 'conn_confirmations' AND type = 'table';
 
-PRAGMA writable_schema=0;
+PRAGMA writable_schema=RESET;
 |]
 
 down_m20240624_snd_secure :: Query
@@ -32,5 +32,5 @@ UPDATE sqlite_master
 SET sql = replace(sql, 'sender_key BLOB,', 'sender_key BLOB NOT NULL,')
 WHERE name = 'conn_confirmations' AND type = 'table';
 
-PRAGMA writable_schema=0;
+PRAGMA writable_schema=RESET;
 |]

src/Simplex/Messaging/Agent/Store/SQLite/Migrations/M20250702_conn_invitations_remove_cascade_delete.hs

@@ -18,7 +18,7 @@ SET sql = replace(
           )
 WHERE name = 'conn_invitations' AND type = 'table';
 
-PRAGMA writable_schema=0;
+PRAGMA writable_schema=RESET;
 |]
 
 down_m20250702_conn_invitations_remove_cascade_delete :: Query
@@ -34,5 +34,5 @@ SET sql = replace(
           )
 WHERE name = 'conn_invitations' AND type = 'table';
 
-PRAGMA writable_schema=0;
+PRAGMA writable_schema=RESET;
 |]

src/Simplex/Messaging/Agent/Store/SQLite/Migrations/M20251230_strict_tables.hs

@@ -28,7 +28,7 @@ UPDATE sqlite_master
 SET sql = replace(sql, 'device_token TEXT NOT NULL', 'device_token BLOB NOT NULL')
 WHERE type = 'table' AND name = 'ntf_tokens';
 
-PRAGMA writable_schema=0;
+PRAGMA writable_schema=RESET;
 |]
 
 down_m20251230_strict_tables :: Query
@@ -48,7 +48,7 @@ UPDATE sqlite_master
 SET sql = replace(sql, 'device_token BLOB NOT NULL', 'device_token TEXT NOT NULL')
 WHERE type = 'table' AND name = 'ntf_tokens';
 
-PRAGMA writable_schema=0;
+PRAGMA writable_schema=RESET;
 
 UPDATE ntf_tokens SET ntf_mode = CAST(ntf_mode as BLOB);