[dist use] No error when the given dist name is not available locally

[Kishanthan]

Description:

$ ballerina dist list               
Distributions available locally: 

  jballerina-1.1.0-alpha

Distributions available remotely: 

  jballerina-1.0.0
  jballerina-1.0.1
  jballerina-1.0.2
  jballerina-1.0.3
  jballerina-1.0.4

$ ballerina dist use jballerina-1.0.1

Suggested Labels:

Suggested Assignees:

Affected Product Version:

OS, DB, other environment details and versions:

Steps to reproduce:

Related Issues:

[keizer619]

Fixed in following commit
fe59e2a