use more fitting floating action button, cleanup

frontend/lib/modules/current_trip_map.dart

@@ -77,6 +77,9 @@ class _MapWidgetState extends State<MapWidget> {
       // onLongPress: ,
       markers: mapMarkers,
       cloudMapId: MAP_ID,
+      mapToolbarEnabled: false,
+      zoomControlsEnabled: false,
+
     );
   }
 }

frontend/lib/modules/new_trip_button.dart

@@ -25,52 +25,38 @@ class _NewTripButtonState extends State<NewTripButton> {
         if (widget.trip.landmarks.isEmpty){
           return Container();
         }
-        return SizedBox(
-          width: 200,
-          child: ElevatedButton(
-            onPressed: () async {
-              Future<UserPreferences> preferences = loadUserPreferences();
-              Trip trip = widget.trip;
-              fetchTrip(trip, preferences);
-              Navigator.of(context).push(
-                MaterialPageRoute(
-                  builder: (context) => BasePage(mainScreen: "map", trip: trip)
-                )
-              );
+        return FloatingActionButton.extended(
+          onPressed: () async {
+            Future<UserPreferences> preferences = loadUserPreferences();
+            Trip trip = widget.trip;
+            fetchTrip(trip, preferences);
+            Navigator.of(context).push(
+              MaterialPageRoute(
+                builder: (context) => BasePage(mainScreen: "map", trip: trip)
+              )
+            );
+          },
+          icon: Icon(Icons.add),
+          label: FutureBuilder(
+            future: widget.trip.cityName,
+            builder: (context, snapshot) {
+              if (snapshot.connectionState == ConnectionState.done) {
+                return AutoSizeText(
+                  'New trip to ${snapshot.data.toString()}',
+                  style: TextStyle(fontSize: 18),
+                  maxLines: 2,
+                );
+              } else {
+                return AutoSizeText(
+                  'New trip to ...',
+                  style: TextStyle(fontSize: 18),
+                  maxLines: 2,
+                );
+              }
             },
-            child: Row(
-              mainAxisAlignment: MainAxisAlignment.center,
-              children: [
-                Icon(
-                  Icons.add,
-                ),
-                Expanded(
-                  child: Padding(
-                    padding: EdgeInsets.only(left: 10, top: 5, bottom: 5, right: 5),
-                    child: FutureBuilder(
-                      future: widget.trip.cityName,
-                      builder: (context, snapshot) {
-                        if (snapshot.connectionState == ConnectionState.done) {
-                          return AutoSizeText(
-                            'New trip to ${snapshot.data.toString()}',
-                            style: TextStyle(fontSize: 18),
-                            maxLines: 2,
-                          );
-                        } else {
-                          return AutoSizeText(
-                            'New trip to ...',
-                            style: TextStyle(fontSize: 18),
-                            maxLines: 2,
-                          );
-                        }
-                      },
-                    )
-                  )
-                )
-              ],
-            ),
-          ),
+          )
         );
+        
       } 
     );
   }

frontend/lib/modules/new_trip_map.dart

@@ -81,6 +81,7 @@ class _NewTripMapState extends State<NewTripMap> {
       markers: _markers,
       cloudMapId: MAP_ID,
       mapToolbarEnabled: false,
+      zoomControlsEnabled: false,
     );
   }
 }