Apply suggestions from code review

Co-authored-by: RichΛrd <info@richardramos.me>

ui/app/AppLayouts/Chat/components/NoFriendsRectangle.qml

@@ -23,9 +23,7 @@ Rectangle {
         anchors.horizontalCenter: parent.horizontalCenter
         anchors.top: noContacts.bottom
         anchors.topMargin: Style.current.xlPadding
-        onClicked: {
-            inviteFriendsPopup.open()
-        }
+        onClicked: inviteFriendsPopup.open()
     }
     InviteFriendsPopup {
         id: inviteFriendsPopup

ui/app/AppLayouts/Profile/Sections/AdvancedContainer.qml

@@ -35,7 +35,7 @@ Item {
         }
         StatusSwitch {
             checked: appSettings.communitiesEnabled
-            onCheckedChanged: function(value) {
+            onCheckedChanged: {
                 appSettings.communitiesEnabled = this.checked
             }
         }

ui/imports/Utils.qml

@@ -184,7 +184,7 @@ QtObject {
     }
 
     function isHexColor(c) {
-        return (/^#([0-9A-F]{6}|[0-9A-F]{3})$/i.test(c))
+        return (/^#([0-9A-Fa-f]{6}|[0-9A-Fa-f]{3})$/i.test(c))
     }
 
     function isSpace(c) {