Add intersex alias to transgender

Close #6664

css/font-awesome.css

@@ -1752,6 +1752,7 @@
 .fa-mercury:before {
   content: "\f223";
 }
+.fa-intersex:before,
 .fa-transgender:before {
   content: "\f224";
 }

less/icons.less

@@ -574,6 +574,7 @@
 .@{fa-css-prefix}-venus:before { content: @fa-var-venus; }
 .@{fa-css-prefix}-mars:before { content: @fa-var-mars; }
 .@{fa-css-prefix}-mercury:before { content: @fa-var-mercury; }
+.@{fa-css-prefix}-intersex:before,
 .@{fa-css-prefix}-transgender:before { content: @fa-var-transgender; }
 .@{fa-css-prefix}-transgender-alt:before { content: @fa-var-transgender-alt; }
 .@{fa-css-prefix}-venus-double:before { content: @fa-var-venus-double; }

less/variables.less

@@ -298,6 +298,7 @@
 @fa-var-inr: "\f156";
 @fa-var-instagram: "\f16d";
 @fa-var-institution: "\f19c";
+@fa-var-intersex: "\f224";
 @fa-var-ioxhost: "\f208";
 @fa-var-italic: "\f033";
 @fa-var-joomla: "\f1aa";

scss/_icons.scss

@@ -574,6 +574,7 @@
 .#{$fa-css-prefix}-venus:before { content: $fa-var-venus; }
 .#{$fa-css-prefix}-mars:before { content: $fa-var-mars; }
 .#{$fa-css-prefix}-mercury:before { content: $fa-var-mercury; }
+.#{$fa-css-prefix}-intersex:before,
 .#{$fa-css-prefix}-transgender:before { content: $fa-var-transgender; }
 .#{$fa-css-prefix}-transgender-alt:before { content: $fa-var-transgender-alt; }
 .#{$fa-css-prefix}-venus-double:before { content: $fa-var-venus-double; }

scss/_variables.scss

@@ -298,6 +298,7 @@ $fa-var-info-circle: "\f05a";
 $fa-var-inr: "\f156";
 $fa-var-instagram: "\f16d";
 $fa-var-institution: "\f19c";
+$fa-var-intersex: "\f224";
 $fa-var-ioxhost: "\f208";
 $fa-var-italic: "\f033";
 $fa-var-joomla: "\f1aa";

src/icons.yml

@@ -4939,6 +4939,8 @@ icons:
     id:         transgender
     unicode:    f224
     created:    4.3
+    aliases:
+      - intersex
     categories:
       - Gender Icons