Update to egui_tiles 0.9.1: fix relayout on tab background click (#7283)

### What
* Closes #6124

### Checklist
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Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
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Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)
* [x] I've included a screenshot or gif (if applicable)
* [x] I have tested the web demo (if applicable):
* Using examples from latest `main` build:
[rerun.io/viewer](https://rerun.io/viewer/pr/7283?manifest_url=https://app.rerun.io/version/main/examples_manifest.json)
* Using full set of examples from `nightly` build:
[rerun.io/viewer](https://rerun.io/viewer/pr/7283?manifest_url=https://app.rerun.io/version/nightly/examples_manifest.json)
* [x] The PR title and labels are set such as to maximize their
usefulness for the next release's CHANGELOG
* [x] If applicable, add a new check to the [release
checklist](https://github.com/rerun-io/rerun/blob/main/tests/python/release_checklist)!
* [x] If have noted any breaking changes to the log API in
`CHANGELOG.md` and the migration guide

- [PR Build Summary](https://build.rerun.io/pr/7283)
- [Recent benchmark results](https://build.rerun.io/graphs/crates.html)
- [Wasm size tracking](https://build.rerun.io/graphs/sizes.html)

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Cargo.lock

@@ -1753,9 +1753,9 @@ dependencies = [
 
 [[package]]
 name = "egui_tiles"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "269227b10b417e635dc71a2d7350db1721386a3a4098c9855e5a2fe57092cea5"
+checksum = "9ec2e18c8665b7aaccfb560e383d08bfbce9cb905e055417f6bb0ecd63056561"
 dependencies = [
  "ahash",
  "egui",

Cargo.toml

@@ -126,7 +126,7 @@ egui_extras = { version = "0.28.1", features = [
   "serde",
 ] }
 egui_plot = "0.28.1"
-egui_tiles = "0.9.0"
+egui_tiles = "0.9.1"
 egui-wgpu = "0.28.1"
 emath = "0.28.1"