Move style rules related to ThreadPanel from EventTile (#8683)

Signed-off-by: Suguru Hirahara <[email protected]>

Author: luixxiul

res/css/views/right_panel/_ThreadPanel.scss

@@ -120,6 +120,8 @@ limitations under the License.
     }
 
     &.mx_ThreadView {
+        max-height: 100%;
+
         // Inside a thread timeline only
         .mx_GenericEventListSummary {
             &:not([data-layout=bubble]) > .mx_EventTile_line {
@@ -137,6 +139,10 @@ limitations under the License.
                 border-radius: 8px;
             }
         }
+
+        .mx_MessageComposer_sendMessage {
+            margin-right: 0;
+        }
     }
 
     .mx_RoomView_messagePanel { // To avoid the rule from being applied to .mx_ThreadPanel_empty

res/css/views/rooms/_EventTile.scss

@@ -848,15 +848,6 @@ $threadInfoLineHeight: calc(2 * $font-12px); // See: _commons.scss
     --ThreadView_group_spacing-start: 56px; // 56px: 64px - 8px (padding)
     --ThreadView_group_spacing-end: 8px; // same as padding
 
-    display: flex;
-    flex-direction: column;
-    max-height: 100%;
-
-    .mx_ThreadView_List {
-        flex: 1;
-        overflow: scroll;
-    }
-
     .mx_EventTile_roomName {
         display: none;
     }
@@ -985,8 +976,4 @@ $threadInfoLineHeight: calc(2 * $font-12px); // See: _commons.scss
             }
         }
     }
-
-    .mx_MessageComposer_sendMessage {
-        margin-right: 0;
-    }
 }