Add conversion webhook handling to the helm chart template

[pubudu538]

Purpose

Fixes #2222
Fixes #2203

Incase of a failure due to common controller unavailability, users can upgrade the installation as follows.

helm upgrade apk wso2apk/apk-helm --version 1.1.0-alpha2 --set wso2.apk.webhooks.conversionwebhookconfigurations=false

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 27.91%. Comparing base (839dd54) to head (c017466).
Report is 20 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2223      +/-   ##
==========================================
- Coverage   28.42%   27.91%   -0.52%     
==========================================
  Files         124      124              
  Lines       14546    14815     +269     
  Branches     2681     2681              
==========================================
  Hits         4135     4135              
- Misses      10274    10543     +269     
  Partials      137      137              

Flag	Coverage Δ
adapter	27.59% <ø> (-0.87%)	⬇️
common-controller	4.07% <ø> (ø)
config-deployer-service	25.99% <ø> (ø)
idp-domain-service	80.21% <ø> (ø)

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