fix: project invite logic correction

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nc-gui/components/project/InviteProjectCollabSection.vue

@@ -26,10 +26,10 @@ const usersData = ref<{
 const isInvitingCollaborators = ref(false)
 
 const inviteCollaborator = async () => {
-  isInvitingCollaborators.value = true
-
   if (isInvitingCollaborators.value) return
 
+  isInvitingCollaborators.value = true
+
   try {
     usersData.value = await inviteUser(inviteData)
     usersData.roles = inviteData.roles