Fixed warnings with the option selected attribute

client/src/components/forms/AssigneesForm/index.tsx

@@ -81,8 +81,8 @@ export default function AssigneesForm({ assignees, members, onNew, onDelete }: P
                 addNew && (
                     <Popup onClose={() => setAddNew(false)}>
                         <form>
-                            <select onChange={(e) => setSelectedMember(e.target.value)}>
-                                <option value="" selected disabled hidden>Please select a user</option>
+                            <select defaultValue="" onChange={(e) => setSelectedMember(e.target.value)}>
+                                <option value="" disabled hidden>Please select a user</option>
                                 {
                                     possibleMembers.map((member) => (
                                         <option value={member.id} key={member.id}>{member.label}</option>

client/src/components/forms/RequirementsForm/index.tsx

@@ -77,8 +77,8 @@ export default function RequirementsForm({ roles, requirements, onNew, onDelete
                 addNew && (
                     <Popup onClose={() => setAddNew(false)}>
                         <form>
-                            <select onChange={(e) => setSelectedRole(e.target.value)}>
-                                <option value="" selected disabled hidden>Please select a role</option>
+                            <select defaultValue="" onChange={(e) => setSelectedRole(e.target.value)}>
+                                <option value="" disabled hidden>Please select a role</option>
                                 {
                                     possibleRoles.map((role) => (
                                         <option value={role.id} key={role.id}>{role.label}</option>