Enhancement: standardise error handling

[MovieStoreGuy]

Context

To make the experience consistent across each the components, this will provide a standard approach as to how errors are handled from the API.

This means that if resources are removed external from terraform, it will be automatically removed from the state to avoid dealing with fractured state.

Changes

• Adding common.OnError method to improve error responses
• Updating existing resources to adopt method.

[codecov]

Codecov Report

Attention: Patch coverage is 67.56757% with 12 lines in your changes missing coverage. Please review.

Project coverage is 96.28%. Comparing base (e482fda) to head (252f9d8).

Files with missing lines	Patch %	Lines
internal/common/error.go	53.84%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #539      +/-   ##
==========================================
- Coverage   96.91%   96.28%   -0.63%     
==========================================
  Files          33       34       +1     
  Lines        1749     1778      +29     
==========================================
+ Hits         1695     1712      +17     
- Misses         37       49      +12     
  Partials       17       17              

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