Update MI docs for client id/secret

frontend/src/views/Project/MembersPage/MembersPage.tsx

@@ -32,7 +32,7 @@ export const MembersPage = withProjectPermission(
               <Tab value={TabSections.Member}>People</Tab>
               <Tab value={TabSections.MachineIdentities}>
                 <div className="flex items-center">
-                  <p>App Clients</p>
+                  <p>Machine Identities</p>
                   <div className="ml-2 rounded-md text-yellow text-sm inline-block bg-yellow/20 px-1.5 pb-[0.03rem] pt-[0.04rem] opacity-80 hover:opacity-100 cursor-default">
                     New
                   </div>

frontend/src/views/Project/MembersPage/components/MachineIdentityTab/components/MachineIdentitySection/AddMachineIdentityModal.tsx

@@ -120,7 +120,7 @@ export const AddMachineIdentityModal = ({
                 reset();
             }}
         >
-            <ModalContent title="Add App Client to Project">
+            <ModalContent title="Add Machine Identity to Project">
                 {filteredMachineMembershipOrgs.length ? (
                     <form onSubmit={handleSubmit(onFormSubmit)}>
                         <Controller
@@ -129,7 +129,7 @@ export const AddMachineIdentityModal = ({
                             defaultValue={filteredMachineMembershipOrgs?.[0]?._id}
                             render={({ field: { onChange, ...field }, fieldState: { error } }) => (
                                 <FormControl
-                                    label="App Client"
+                                    label="Machine Identity"
                                     errorText={error?.message}
                                     isError={Boolean(error)}
                                 >

frontend/src/views/Project/MembersPage/components/MachineIdentityTab/components/MachineIdentitySection/MachineIdentitySection.tsx

@@ -62,7 +62,7 @@ export const MachineIdentitySection = withProjectPermission(
         <div className="mb-6 rounded-lg border border-mineshaft-600 bg-mineshaft-900 p-4">
           <div className="flex justify-between mb-8">
             <p className="text-xl font-semibold text-mineshaft-100">
-              App Clients
+              Machine Identities
             </p>
             <ProjectPermissionCan
               I={ProjectPermissionActions.Create}
@@ -76,7 +76,7 @@ export const MachineIdentitySection = withProjectPermission(
                   onClick={() => handlePopUpOpen("machineIdentity")}
                   isDisabled={!isAllowed}
                 >
-                  Add client
+                  Add identity
                 </Button>
               )}
             </ProjectPermissionCan>

frontend/src/views/Project/MembersPage/components/MachineIdentityTab/components/MachineIdentitySection/MachineIdentityTable.tsx

@@ -188,7 +188,7 @@ export const MachineIdentityTable = ({
                     {!isLoading && data && data?.length === 0 && (
                         <Tr>
                             <Td colSpan={7}>
-                                <EmptyState title="No app clients have been added to this project" icon={faServer} />
+                                <EmptyState title="No machine identities have been added to this project" icon={faServer} />
                             </Td>
                         </Tr>
                     )}