Insights> Add validations is Insight create form

[Anupriyabanger]

While creating the insight, users are always unclear as to why the "Next" button is always not active. So would require validations on the fields to make clear to users what more information is needed to add.

[manojnegi07]

@vayuzpriya Error Message Required for that

[manojnegi07]

Duplicate #1216

[vayuzpriya]

Need to add error messages

[vayuzpriya]

UI part done