Fab color dynamic based on primary color

lib/screens/clients/fab.dart

@@ -80,7 +80,10 @@ class ClientsFab extends StatelessWidget {
 
     return FloatingActionButton(
       onPressed: () => openAddClient(),
-      child: const Icon(Icons.add),
+      child: Icon(
+        Icons.add,
+        color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+      ),
     );
   }
 }

lib/screens/connect/fab.dart

@@ -17,7 +17,10 @@ class FabConnect extends StatelessWidget {
 
     return FloatingActionButton(
       onPressed: openAddServerModal,
-      child: const Icon(Icons.add_rounded),
+      child: Icon(
+        Icons.add_rounded,
+        color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+      ),
     );
   }
 }

lib/screens/filters/fab.dart

@@ -176,7 +176,10 @@ class FiltersFab extends StatelessWidget {
       onPressed: type == 'blacklist' || type == 'whitelist'
         ? () => openAddWhitelistBlacklist()
         : () => openAddCustomRule(),
-      child: const Icon(Icons.add),
+      child: Icon(
+        Icons.add,
+        color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+      ),
     );
   }
 }

lib/screens/home/fab.dart

@@ -24,7 +24,10 @@ class HomeFab extends StatelessWidget {
     return serversProvider.serverStatus.loadStatus == 1
       ? FloatingActionButton(
           onPressed: openManagementBottomSheet,
-          child: const Icon(Icons.shield_rounded),
+          child: Icon(
+            Icons.shield_rounded,
+            color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+          ),
         )
       : const SizedBox();
   }

lib/screens/servers/servers.dart

@@ -50,7 +50,10 @@ class _ServersState extends State<Servers> {
       ),
       floatingActionButton: FloatingActionButton(
         onPressed: openAddServerModal,
-        child: const Icon(Icons.add),
+        child: Icon(
+          Icons.add,
+          color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+        ),
       ),
     );
   }

lib/screens/settings/access_settings/clients_list.dart

@@ -319,7 +319,10 @@ class _ClientsListState extends State<ClientsList> {
                     isScrollControlled: true
                   );
                 },
-                child: const Icon(Icons.add),
+                child: Icon(
+                  Icons.add,
+                  color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+                ),
               ),
             )
           ]

lib/screens/settings/dhcp/dhcp_leases.dart

@@ -184,7 +184,10 @@ class DhcpLeases extends StatelessWidget {
       floatingActionButton: staticLeases == true
         ? FloatingActionButton(
             onPressed: openAddStaticLease,
-            child: const Icon(Icons.add),
+            child: Icon(
+              Icons.add,
+              color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+            ),
           )
         : null,
     );

lib/screens/settings/dns_rewrites/dns_rewrites.dart

@@ -287,7 +287,10 @@ class _DnsRewritesWidgetState extends State<DnsRewritesWidget> {
             isScrollControlled: true
           )
         },
-        child: const Icon(Icons.add),
+        child: Icon(
+          Icons.add,
+          color: Theme.of(context).primaryColor.computeLuminance() > 0.5 ? Colors.black : Colors.white,
+        ),
       ),
     );
   }