Update JS deps, misc tweaks (#35643)

- Update all JS dependencies
- Enable eslint `no-useless-assignment` and fix 2 discovered issues
- Replace `gitea-vscode` svg with new `octicon-vscode`
- Remove now-unused `@ts-expect-error` comments
- Change Monaco wrapping behaviour to match the wrapping in code view:
no wrapping indent and break on any character.

public/assets/img/svg/gitea-vscode.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="-1 -1 34 34" class="svg gitea-vscode" width="16" height="16" aria-hidden="true"><path d="M30.9 3.4 24.3.3a2 2 0 0 0-2.3.4L9.4 12.2 3.9 8c-.5-.4-1.2-.4-1.7 0L.4 9.8c-.5.5-.5 1.4 0 2L5.2 16 .4 20.3c-.5.6-.5 1.5 0 2L2.2 24c.5.5 1.2.5 1.7 0l5.5-4L22 31.2a2 2 0 0 0 2.3.4l6.6-3.2a2 2 0 0 0 1.1-1.8V5.2a2 2 0 0 0-1.1-1.8M24 23.3 14.4 16 24 8.7z"/></svg>

public/assets/img/svg/octicon-comment-ai.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" class="svg octicon-comment-ai" width="16" height="16" aria-hidden="true"><path d="M7.75 1a.75.75 0 0 1 0 1.5h-5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h2c.199 0 .39.079.53.22.141.14.22.331.22.53v2.19l2.72-2.72a.75.75 0 0 1 .53-.22h4.5a.25.25 0 0 0 .25-.25v-2a.75.75 0 0 1 1.5 0v2c0 .464-.184.909-.513 1.237A1.75 1.75 0 0 1 13.25 12H9.06l-2.573 2.573A1.457 1.457 0 0 1 4 13.543V12H2.75A1.75 1.75 0 0 1 1 10.25v-7.5C1 1.784 1.784 1 2.75 1zm4.519-.837a.248.248 0 0 1 .466 0l.238.648a3.73 3.73 0 0 0 2.218 2.219l.649.238a.249.249 0 0 1 0 .467l-.649.238a3.73 3.73 0 0 0-2.218 2.218l-.238.649a.248.248 0 0 1-.466 0l-.239-.649a3.73 3.73 0 0 0-2.218-2.218l-.649-.238a.249.249 0 0 1 0-.467l.649-.238A3.73 3.73 0 0 0 12.03.811z"/></svg>

public/assets/img/svg/octicon-vscode.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" class="svg octicon-vscode" width="16" height="16" aria-hidden="true"><path d="M12.515.537c1.169-1.215 3.48-.226 3.418 1.534a593 593 0 0 1 .062 11.538c.089 1.938-2.439 3.149-3.827 1.851A643 643 0 0 1 1.312 5.996a.93.93 0 0 1-.308-.609.92.92 0 0 1 .194-.655.87.87 0 0 1 1.232-.136l1.493 1.18a641 641 0 0 1 9.708 7.85c.008.011.036-.018.019-.017a606 606 0 0 1 .057-11.226c-1.308 1.157-2.63 2.275-3.926 3.411-.477.416-.948.831-1.424 1.253a.87.87 0 0 1-1.237-.061.9.9 0 0 1-.231-.641.94.94 0 0 1 .27-.628c.452-.456.902-.905 1.36-1.354 1.324-1.302 2.677-2.558 3.996-3.826M2.986 9.734a.8.8 0 0 1 1.184.06.95.95 0 0 1-.057 1.272l-1.228 1.2a.8.8 0 0 1-1.183-.06.95.95 0 0 1 .055-1.272z"/></svg>