Fix two+ trailing spaces in text

[OnkarRuikar]

The test in PR #19863 shows that the markdownlinter or the current configuration doesn't detect more than one trailing spaces.

Fixing the spaces in text first.

cc: @teoli2003, @nschonni

[github-actions]

Preview URLs

• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/MDN/Writing_guidelines/What_we_write
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/MDN/Writing_guidelines/Writing_style_guide
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/CSSRule/type
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Headers/forEach
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/IDBKeyRange/lowerOpen
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/SVGStyleElement
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/XSLTProcessor
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/CSS/CSS_Scroll_Snap/Basic_concepts
• https://pr19866.content.dev.mdn.mozit.cloud/en-US/docs/Web/Tutorials

Flaws

Note! 5 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/Tutorials
Title: Tutorials
on GitHub
Flaw count: 1

• broken_links:
  • Can't resolve /en-US/docs/Mozilla/Firefox/Multiprocess_Firefox

---

URL: /en-US/docs/Web/API/CSSRule/type
Title: CSSRule.type
on GitHub
Flaw count: 4

• macros:
  • /en-US/docs/Web/API/CSSDocumentRule does not exist
  • /en-US/docs/Web/API/CSSFontFeatureValuesRule does not exist
  • /en-US/docs/Web/API/CSSViewportRule does not exist
  • /en-US/docs/Web/API/CSSRegionStyleRule does not exist

---

URL: /en-US/docs/Web/API/XSLTProcessor
Title: XSLTProcessor
on GitHub
Flaw count: 19

• macros:
  • /en-US/docs/Web/API/XSLTProcessor/XSLTProcessor does not exist
  • /en-US/docs/Web/API/XSLTProcessor/importStylesheet does not exist
  • /en-US/docs/Web/API/XSLTProcessor/transformToFragment does not exist
  • /en-US/docs/Web/API/XSLTProcessor/importStylesheet does not exist
  • /en-US/docs/Web/API/XSLTProcessor/transformToDocument does not exist
  • and 6 more flaws omitted
• bad_bcd_links:
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • and 3 more flaws omitted

---

URL: /en-US/docs/MDN/Writing_guidelines/Writing_style_guide
Title: Writing style guide
on GitHub
Flaw count: 1

• broken_links:
  • Can't resolve /en-US/docs/Web/JavaScript/Guide/Details_of_the_Object_Model

External URLs

URL: /en-US/docs/Web/Tutorials
Title: Tutorials
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/CSS/CSS_Scroll_Snap/Basic_concepts
Title: Basic concepts of CSS Scroll Snap
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/IDBKeyRange/lowerOpen
Title: IDBKeyRange.lowerOpen
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/CSSRule/type
Title: CSSRule.type
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/Headers/forEach
Title: Headers.forEach()
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/SVGStyleElement
Title: SVGStyleElement
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/XSLTProcessor
Title: XSLTProcessor
on GitHub

No new external URLs

---

URL: /en-US/docs/MDN/Writing_guidelines/Writing_style_guide
Title: Writing style guide
on GitHub

No new external URLs

---

URL: /en-US/docs/MDN/Writing_guidelines/What_we_write
Title: What we write
on GitHub

No new external URLs

[teoli2003]

👍

[nschonni]

LGTM, but note that 2 trailing spaces has a special meaning in Markdown/CommonMark to create a BR tag https://spec.commonmark.org/0.30/#hard-line-break
That's why Markdownlint doesn't strip them if they're there, but does if it is an odd number