more fixes

fbla_ui/lib/pages/business_detail.dart

@@ -166,8 +166,7 @@ class _CreateBusinessDetailState extends State<BusinessDetail> {
                                     .replaceAll('www.', ''),
                                 style: const TextStyle(color: Colors.blue)),
                             onTap: () {
-                              launchUrl(
-                                  Uri.parse('https://${business.website}'));
+                              launchUrl(Uri.parse(business.website!));
                             },
                           ),
                       ],

fbla_ui/lib/pages/businesses_overview.dart

@@ -513,7 +513,7 @@ class _BusinessHeaderState extends State<_BusinessHeader> {
                         IconButton(
                           icon: const Icon(Icons.link),
                           onPressed: () {
-                            launchUrl(Uri.parse('https://${business.website}'));
+                            launchUrl(Uri.parse(business.website!));
                           },
                         ),
                       IconButton(

fbla_ui/lib/pages/create_edit_business.dart

@@ -247,6 +247,7 @@ class _CreateEditBusinessState extends State<CreateEditBusiness> {
                                   ),
                                   validator: (value) {
                                     if (value != null &&
+                                        value.isNotEmpty &&
                                         !RegExp(r'(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}(?:/[^/\s]*)*')
                                             .hasMatch(value)) {
                                       return 'Enter a valid Website';

fbla_ui/lib/pages/listing_detail.dart

@@ -123,7 +123,7 @@ class _CreateBusinessDetailState extends State<JobListingDetail> {
                                     .replaceAll('www.', ''),
                                 style: const TextStyle(color: Colors.blue)),
                             onTap: () {
-                              launchUrl(Uri.parse('https://${listing.link!}'));
+                              launchUrl(Uri.parse(listing.link!));
                             },
                           ),
                       ],

fbla_ui/lib/pages/listings_overview.dart

@@ -151,7 +151,8 @@ class _JobsOverviewState extends State<JobsOverview> {
                                   setState(() {
                                     _isRetrying = true;
                                   });
-                                  await widget.updateBusinessesCallback(null, null);
+                                  await widget.updateBusinessesCallback(
+                                      null, null);
                                 }
                               },
                             ),
@@ -592,8 +593,7 @@ class _JobHeaderState extends State<_JobHeader> {
                         IconButton(
                           icon: const Icon(Icons.link),
                           onPressed: () {
-                            launchUrl(Uri.parse(
-                                'https://${business.listings![0].link!}'));
+                            launchUrl(Uri.parse(business.listings![0].link!));
                           },
                         ),
                       IconButton(

fbla_ui/lib/pages/signin_page.dart

@@ -151,13 +151,16 @@ class _SignInPageState extends State<SignInPage> {
                               mainAxisAlignment: MainAxisAlignment.center,
                               children: [
                                 _isloading
-                                    ? const SizedBox(
-                                        width: 20,
-                                        height: 20,
-                                        child: CircularProgressIndicator(
-                                          color: Colors.white,
-                                          strokeWidth: 3,
-                                        ))
+                                    ? Padding(
+                                        padding: EdgeInsets.only(right: 8.0),
+                                        child: const SizedBox(
+                                            width: 20,
+                                            height: 20,
+                                            child: CircularProgressIndicator(
+                                              color: Colors.white,
+                                              strokeWidth: 3,
+                                            )),
+                                      )
                                     : const Padding(
                                         padding: EdgeInsets.only(right: 8.0),
                                         child: Icon(Icons.done,