disable EnableSeparationComputeActorsFromRead (#17779)

Author: gridnevvvit

ydb/core/protos/feature_flags.proto

@@ -112,7 +112,7 @@ message TFeatureFlags {
     optional bool EnableLLVMCache = 87 [default = false];
     optional bool EnableExternalDataSources = 88 [default = false];
     optional bool EnableTopicDiskSubDomainQuota = 89 [default = true, (RequireRestart) = true];
-    optional bool EnableSeparationComputeActorsFromRead = 90 [default = true];
+    optional bool EnableSeparationComputeActorsFromRead = 90 [default = false];
     optional bool EnablePQConfigTransactionsAtSchemeShard = 91 [default = true];
     optional bool EnableScriptExecutionOperations = 92 [default = true];
     optional bool EnableImplicitQueryParameterTypes = 93 [default = true];