fix(delete): Refactor input handling & output display on resource deletion

[doronkg]

What this PR does / why we need it?

This PR aims to resolve 2 outputing issues resulting in the --delete flag.

1. Avoid the unexpected newline error on confirmation
2. Append -DELETED suffix on deleted resources in output

$ .\main.exe clusterrole --delete
Do you want to delete ClusterRole aaa in namespace ? (Y/N): y
Deleting ClusterRole aaa in namespace
kor version: vdev

  _  _____  ____
 | |/ / _ \|  _ \
 | ' / | | | |_) |
 | . \ |_| |  _ <
 |_|\_\___/|_| \_\

Unused resources in namespace: ""
+---+---------------+---------------+
| # | RESOURCE TYPE | RESOURCE NAME |
+---+---------------+---------------+
| 1 | ClusterRole   | aaa-DELETED   |
+---+---------------+---------------+

PR Checklist

• This PR adds K8s exceptions (false positives)
• This PR adds new code
• This PR includes tests for new/existing code
• This PR adds docs

GitHub Issue

Closes #321
Closes #322

Notes for your reviewers

#321 is resolved by consuming the newline character ("\n") and removing it from the input buffer.
#322 is resolved by moving the deletion logic before the grouping logic, so the updated diff variable will be used.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 1.63934% with 60 lines in your changes missing coverage. Please review.

Project coverage is 41.77%. Comparing base (ced2ef2) to head (9b0aaf1).
Report is 2 commits behind head on main.

Files	Patch %	Lines
pkg/kor/clusterroles.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/configmaps.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/daemonsets.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/deployments.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/hpas.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/ingresses.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/jobs.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/networkpolicies.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/pdbs.go	0.00%	2 Missing and 1 partial ⚠️
pkg/kor/pods.go	0.00%	2 Missing and 1 partial ⚠️
... and 11 more

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #323      +/-   ##
==========================================
+ Coverage   41.34%   41.77%   +0.42%     
==========================================
  Files          61       61              
  Lines        3212     3179      -33     
==========================================
  Hits         1328     1328              
+ Misses       1671     1637      -34     
- Partials      213      214       +1     

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[yonahd]

Looks good overall. Small suggestion

[yonahd]

Lgtm