## Problem
Currently, even if `LAMBDA_REMOTE_DOCKER=1`, we unzip the zip files in the directory they are in, which is usually /var/lib/localstack, which usually has a bind mount to the host.
On docker desktop, due to the use of grpc-FUSE (on macos), this can be very slow, about 200 times slower than on volumes / directly on the host. With experimental virtio filesystem enabled (also on macos), this can be reduced to about 30 times as slow, but still problematic.
This means a lambda may take a lot of time processing, for each additional layer some more. This especially affects nodejs lambdas with huge node_modules folders.

## Probable solution
At least if `LAMBDA_REMOTE_DOCKER=1`, we should leave the initial zip files on the bind mount (for persistence etc), but the working directories after unzipping should be located on non-bind mounts, to speed up the IO for unzipping.
region = LambdaRegion.get()
    function_name = data.get("FunctionName") or ""
    enabled = data.get("Enabled", True)
    for mapping in region.event_source_mappings:
        if uuid_value == mapping["UUID"]:
            if function_name:
                mapping["FunctionArn"] = func_arn(function_name)
            batch_size = data.get("BatchSize")
            if "SelfManagedEventSource" in mapping:
                batch_size = check_batch_size_range(
                    mapping["SourceAccessConfigurations"][0]["URI"],
                    batch_size or mapping["BatchSize"],
                )
            else:
                batch_size = check_batch_size_range(
                    mapping["EventSourceArn"], batch_size or mapping["BatchSize"]
                )
            mapping["State"] = "Enabled" if enabled in [True, None] else "Disabled"
            mapping["LastModified"] = format_timestamp_for_event_source_mapping()
            mapping["BatchSize"] = batch_size
            if "SourceAccessConfigurations" in (mapping and data):
                mapping["SourceAccessConfigurations"] = data["SourceAccessConfigurations"]
            return mapping
    return {}
def delete_event_source(uuid_value):