cannot accept a declined share

[kiranparajuli589]

Describe the bug

A receiver cannot accept a declined share

Steps to reproduce

Steps to reproduce the behavior:

1. Create two users uu1 & uu2
2. Share a file using user uu1 with user uu2
3. Receiver accepts the last received share
4. Receiver declines the last received share
5. Receiver again accepts the last received share

Expected behavior

• success

Actual behavior

{
  "ocs": {
    "meta": {
      "status": "error",
      "statuscode": 996,
      "message": "grpc update received share request failed"
    }
  }
}

Setup

export OCIS_URL=https://localhost:9200                         18:47:20
export STORAGE_HOME_DRIVER=ocis                         
export STORAGE_USERS_DRIVER=ocis
export STORAGE_DRIVER_OCIS_ROOT=/tmp/ocis/storage/users
export STORAGE_DRIVER_LOCAL_ROOT=/tmp/ocis/local/root
export STORAGE_METADATA_ROOT=/tmp/ocis/metadata
export STORAGE_DRIVER_OWNCLOUD_DATADIR=/tmp/ocis/owncloud/data
export STORAGE_HOME_DATA_SERVER_URL=http://localhost:9155/data
export STORAGE_USERS_DATA_SERVER_URL=http://localhost:9158/data
export STORAGE_SHARING_USER_JSON_FILE=/tmp/ocis/shares.json
export PROXY_ENABLE_BASIC_AUTH=true
export WEB_UI_CONFIG=$HOME/www/ocConfigs/config.json
export IDP_IDENTIFIER_REGISTRATION_CONF=$HOME/www/ocConfigs/idp.yml
export OCIS_LOG_LEVEL=error
export SETTINGS_DATA_PATH=/tmp/ocis/settings

OCIS_VERSION=latest
BRANCH=master
STORAGE_FRONTEND_UPLOAD_DISABLE_TUS=false

Additional context

Add any other context about the problem here.

[kulmann]

Closing here in favor of more detailed #2011