integration/buttons: fix spacing issue in proconnect button

- buttons are now back to their default display mode (the one from
.fr-btn), we just change a bit the proconnect style to match figma
design while fixing the spacing issue at the bottom of the button there
was

packages/integration/src/styles/homepage.css

@@ -226,7 +226,6 @@
   width: 100%;
   line-height: 1.75rem;
   padding: 1rem;
-  display: block;
 }
 
 .lasuite-input-width {
@@ -253,6 +252,12 @@
   background-color: var(--lasuite-primary);
 }
 
+.lasuite-connect {
+  justify-content: space-between;
+  padding-left: 2rem;
+  padding-right: 2rem;
+}
+
 .lasuite-connect__brand {
   font-weight: 700;
 }