Add Windows app storage inspector canvas 🤖🤖🤖 (#2620)

* feat: add Windows app storage inspector canvas

* Apply suggestions from code review

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* fix: address storage inspector review findings

* Correction to package and plugin

* fix: harden storage inspector cleanup

* Harden cleanup operation outcomes

* Add select a file or folder path in the result tabs to navigate the treemap to its deepest visible parent folder.

* Fixes to ensure selftesst pass

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

extensions/windows-app-storage-inspector-cleanup/src/ui/tree-navigation.mjs

@@ -0,0 +1,38 @@
+export function normalizePath(value) {
+    return String(value ?? "")
+        .replaceAll("/", "\\")
+        .replace(/\\+$/, "")
+        .toLowerCase();
+}
+
+export function containsPath(parentPath, targetPath) {
+    const parent = normalizePath(parentPath);
+    const target = normalizePath(targetPath);
+    return parent === "" || target === parent || target.startsWith(`${parent}\\`);
+}
+
+export function getParentPath(value) {
+    const path = String(value ?? "").replaceAll("/", "\\").replace(/\\+$/, "");
+    const separatorIndex = path.lastIndexOf("\\");
+    if (separatorIndex < 0) {
+        return path;
+    }
+    return separatorIndex === 2 ? path.slice(0, separatorIndex + 1) : path.slice(0, separatorIndex);
+}
+
+export function findTreeStackForPath(tree, targetPath) {
+    if (!tree || !normalizePath(targetPath)) {
+        return [];
+    }
+
+    const stack = [tree];
+    let node = tree;
+    while (true) {
+        const child = node.children?.find((item) => !item.aggregate && containsPath(item.path, targetPath));
+        if (!child) {
+            return stack;
+        }
+        stack.push(child);
+        node = child;
+    }
+}