i suddenly the saw this when i updated my visual studio and started coding . The answer was ligature enabled on some fonts which i guess is more of a font which makes coding operators more readable .
so i changed the font from “Cascadia code” to “Cascadia Mono“
To Change the font in visual studio , do the following . type font in the search box as shown below &&
double click the entry it will directly take you to the settings where you can change the font as shown below