Fix: Space scope header overflow (#11933)

* fix spacing for scope header

* extract scope header into component, apply line clamp

* update ThirdPartyMemberInfo styles

* pass onClose to ThirdPartyRoomMemberInfo

* rethemendex

* add View3pidInvite to actions enum, replace uses

* extract out action handler

* push card instead, test

* comment

* reinstate data-testid

* fix typo in styles

res/css/views/rooms/_ThirdPartyMemberInfo.pcss

@@ -0,0 +1,19 @@
+/*
+Copyright 2023 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_ThirdPartyMemberInfo {
+    padding: var(--cpd-space-4x);
+}