[Fix]: Made MiniGraph style compatible with edge by changing rgba hexcode to

Created by: sandeepsj

rgb hexcode and opacity styling

Description of PR

issue #1716 (closed), path of MiniGraph was not appearing in Microsoft Edge.

Relevant Issues
Fixes #... The issue is solved by removing the color attribute of path from rgba hexcode to rgb hexcode and opacity is set to 0.6(which was previousy 99(hex)/ff converted to 0.6/1) as a style.

Checklist

• [1 ] Compiles and passes lint tests
• [ 1] Properly formatted
• [ 1] Tested on desktop
• [ 0] Tested on phone

Screenshots