#RI-4542 - update letter-spacing

Author: AmirAllayarovSofteq

redisinsight/ui/src/styles/components/_json_view.scss

@@ -3,7 +3,7 @@
     &-pretty__,
     &-pretty-error__ {
       font: normal normal normal 13px/18px Inconsolata, monospace;
-      letter-spacing: -0.13px;
+      letter-spacing: 0.15px;
       padding: 0;
       background: transparent;
       color: var(--euiTextSubduedColor);