Add some treeview labels

Author: t3chguy

src/components/structures/SpaceRoomDirectory.tsx

@@ -639,7 +639,12 @@ export const SpaceHierarchy: React.FC<IHierarchyProps> = ({
                     { error && <div className="mx_SpaceRoomDirectory_error">
                         { error }
                     </div> }
-                    <AutoHideScrollbar className="mx_SpaceRoomDirectory_list" onKeyDown={onKeyDownHandler} role="tree">
+                    <AutoHideScrollbar
+                        className="mx_SpaceRoomDirectory_list"
+                        onKeyDown={onKeyDownHandler}
+                        role="tree"
+                        aria-label={_t("Space")}
+                    >
                         { results }
                         { children }
                     </AutoHideScrollbar>

src/components/views/spaces/SpacePanel.tsx

@@ -279,6 +279,7 @@ const SpacePanel = () => {
                         className={classNames("mx_SpacePanel", { collapsed: isPanelCollapsed })}
                         onKeyDown={onKeyDownHandler}
                         role="tree"
+                        aria-label={_t("Spaces")}
                     >
                         <Droppable droppableId="top-level-spaces">
                             { (provided, snapshot) => (

src/i18n/strings/en_EN.json

@@ -2829,6 +2829,7 @@
     "Mark as suggested": "Mark as suggested",
     "No results found": "No results found",
     "You may want to try a different search or check for typos.": "You may want to try a different search or check for typos.",
+    "Space": "Space",
     "Search names and descriptions": "Search names and descriptions",
     "If you can't find the room you're looking for, ask for an invite or <a>create a new room</a>.": "If you can't find the room you're looking for, ask for an invite or <a>create a new room</a>.",
     "Create room": "Create room",
@@ -3110,7 +3111,6 @@
     "Page Down": "Page Down",
     "Esc": "Esc",
     "Enter": "Enter",
-    "Space": "Space",
     "End": "End",
     "[number]": "[number]"
 }