More memberlist changes (#29069)

* Remove parenthesis from Invited user label

* Ensure adequate margin

* Truncate user id with ellipsis

* Fix tests

res/css/views/messages/_DisambiguatedProfile.pcss

@@ -35,6 +35,8 @@ Please see LICENSE files in the repository root for full details.
     .mx_DisambiguatedProfile_mxid {
         margin-inline-start: 0;
         font: var(--cpd-font-body-sm-regular);
+        text-overflow: ellipsis;
+        overflow: hidden;
     }
 
     span:not(.mx_DisambiguatedProfile_mxid) {

res/css/views/rooms/_MemberTileView.pcss

@@ -35,6 +35,7 @@ Please see LICENSE files in the repository root for full details.
         font: var(--cpd-font-body-sm-regular);
         font-size: 13px;
         color: var(--cpd-color-text-secondary);
+        margin-left: var(--cpd-space-4x);
     }
 
     .mx_MemberTileView_avatar {