fix(docs): correct typos in comments and strings found during code view (#5880)

Non-functional changes only:
- Fixed minor spelling mistakes in comments
- Corrected typos in user-facing strings
- No variables, logic, or functional code was modified.

Signed-off-by: Marcel Petrick <mail@marcelpetrick.it>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5880-fix-docs-correct-typos-in-comments-and-strings-found-during-code-view-27f6d73d3650815db62af6115991304a)
by [Unito](https://www.unito.io)

---------

Signed-off-by: Marcel Petrick <mail@marcelpetrick.it>
Co-authored-by: Alexander Brown <DrJKL0424@gmail.com>
Co-authored-by: Benjamin Lu <benjaminlu1107@gmail.com>

src/extensions/core/webcamCapture.ts

@@ -147,7 +147,7 @@ app.registerExtension({
     // @ts-expect-error fixme ts strict error
     node[WEBCAM_READY].then((v) => {
       video = v
-      // If width isnt specified then use video output resolution
+      // If width isn't specified then use video output resolution
       // @ts-expect-error fixme ts strict error
       if (!w.value) {
         // @ts-expect-error fixme ts strict error