fix: override toggle switch colors when disabled

[arjunlalb]

Description

Override toggle switch colors when disabled.
Minor typo correction.

[codecov]

Codecov Report

Merging #898 (2245639) into main (58d265c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #898   +/-   ##
=======================================
  Coverage   85.38%   85.38%           
=======================================
  Files         803      803           
  Lines       16492    16492           
  Branches     2067     2067           
=======================================
  Hits        14082    14082           
  Misses       2378     2378           
  Partials       32       32           

Impacted Files	Coverage Δ
...nents/src/toggle-switch/toggle-switch.component.ts	100.00% <ø> (ø)

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[github-actions]

Unit Test Results

    4 files  ±0  257 suites  ±0   14m 5s ⏱️ - 1m 46s
925 tests ±0  925 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
931 runs  ±0  931 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit da0ac13. ± Comparison against base commit 58d265c.