Merge pull request #5481 from dignow/feat/add_oidc_gitlab_default_icon

oidc, add default gitlab icon

flutter/assets/auth-gitlab.svg

@@ -0,0 +1 @@
+<svg height="236" preserveAspectRatio="xMidYMid" viewBox="0 0 256 236" width="256" xmlns="http://www.w3.org/2000/svg"><path d="m128.07485 236.074667 47.104-144.9703622h-94.2080005z" fill="#e24329"/><path d="m128.07485 236.074423-47.1040005-144.970362h-66.0150857z" fill="#fc6d26"/><path d="m14.9558857 91.1044267-14.31405713 44.0551623c-1.3056 4.017981.12434286 8.419961 3.54255238 10.903161l123.89059005 90.012039z" fill="#fca326"/><path d="m14.9558857 91.1045486h66.0150857l-28.3708952-87.31428574c-1.4592-4.49340953-7.8153143-4.49219048-9.2745143 0z" fill="#e24329"/><path d="m128.07485 236.074423 47.104-144.970362h66.015085z" fill="#fc6d26"/><path d="m241.193935 91.1044267 14.314057 44.0551623c1.3056 4.017981-.124342 8.419961-3.542552 10.903161l-123.89059 90.012039z" fill="#fca326"/><path d="m241.193935 91.1045486h-66.015085l28.370895-87.31428574c1.4592-4.49340953 7.815314-4.49219048 9.274514 0z" fill="#e24329"/></svg>

flutter/lib/common/widgets/login.dart

@@ -14,6 +14,7 @@ import './dialog.dart';
 
 const kOpSvgList = [
   'github',
+  'gitlab',
   'google',
   'apple',
   'okta',
@@ -72,6 +73,11 @@ class ButtonOP extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final opLabel = {
+          'github': 'GitHub',
+          'gitlab': 'GitLab'
+        }[op.toLowerCase()] ??
+        toCapitalized(op);
     return Row(children: [
       Container(
         height: height,
@@ -97,8 +103,7 @@ class ButtonOP extends StatelessWidget {
                   child: FittedBox(
                     fit: BoxFit.scaleDown,
                     child: Center(
-                        child: Text(
+                        child: Text('${translate("Continue with")} $opLabel')),
-                            '${translate("Continue with")} ${op.toLowerCase() == "github" ? "GitHub" : toCapitalized(op)}')),
                   ),
                 ),
               ],