tooltip on hover , removed key warnings

[vamshi9666]

Fixes:
1 .Duplicate key warning in filterpanel
2. no Key waing in Dashboard

Enhancements:

1. showing tooltip of label on hover in graph

[vercel]

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[sibeshkar]

Thanks, this is helpful. There seems to be some glitch with this where a small rounded rectangle appears near the "Cluster Filter" text every time hovering happens. Do check.

[vamshi9666]

Thanks, this is helpful. There seems to be some glitch with this where a small rounded rectangle appears near the "Cluster Filter" text every time hovering happens. Do check.

Fixed