feat: styling for disabled input

[arjunlalb]

Description

Styling for disabled input.

Testing

Tested manually. UTs added.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #976 (548ea18) into main (05b0dce) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #976   +/-   ##
=======================================
  Coverage   85.04%   85.04%           
=======================================
  Files         812      812           
  Lines       16742    16744    +2     
  Branches     2165     2166    +1     
=======================================
+ Hits        14238    14240    +2     
  Misses       2473     2473           
  Partials       31       31           

Impacted Files	Coverage Δ
projects/components/src/input/input.component.ts	100.00% <100.00%> (ø)

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[github-actions]

Unit Test Results

    4 files  ±0  259 suites  ±0   15m 56s ⏱️ + 1m 47s
938 tests ±0  938 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
944 runs  ±0  944 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 07e9821. ± Comparison against base commit 05b0dce.

[anandtiwary]

Why not create a style property that we update whenever appearance or disabled changes?