Device manager - rename session (PSG-528) (#9282)

* split heading into component

* switch between editing and view

* style file

* basic tests

* style device rename component

* add loading state

* kind of handle missing current device in drilled props

* use local loading state, add basic error message

* integration-ish test rename

* tidy

* fussy import ordering

* strict errors

res/css/components/views/settings/devices/_DeviceDetailHeading.pcss

@@ -0,0 +1,59 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_DeviceDetailHeading {
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.mx_DeviceDetailHeading_renameCta {
+    flex-shrink: 0;
+}
+
+.mx_DeviceDetailHeading_renameForm {
+    display: grid;
+    grid-gap: $spacing-16;
+    justify-content: left;
+    grid-template-columns: 100%;
+}
+
+.mx_DeviceDetailHeading_renameFormButtons {
+    display: flex;
+    flex-direction: row;
+    gap: $spacing-8;
+
+    .mx_Spinner {
+        width: auto;
+        flex-grow: 0;
+    }
+}
+
+.mx_DeviceDetailHeading_renameFormInput {
+    // override field styles
+    margin: 0 0 $spacing-4 0 !important;
+}
+
+.mx_DeviceDetailHeading_renameFormHeading {
+    margin: 0;
+}
+
+.mx_DeviceDetailHeading_renameFormError {
+    color: $alert;
+    padding-right: $spacing-4;
+    display: block;
+}

res/css/components/views/settings/devices/_DeviceDetails.pcss

@@ -35,6 +35,7 @@ limitations under the License.
     display: grid;
     grid-gap: $spacing-16;
     justify-content: left;
+    grid-template-columns: 100%;
 
     &:last-child {
         padding-bottom: 0;