Fix create_tensor(..., exist_ok=True) behavior with htypes

[FayazRahman]

🚀 🚀 Pull Request

Impact

• Bug fix (non-breaking change which fixes expected existing functionality)
• Enhancement/New feature (adds functionality without impacting existing logic)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

• create_tensor with htypes and exist_ok was not correctly comparing the configs of existing and new tensors.
• Closes [BUG] create_tensor(exist_ok=True) breaks for text htypes #2548

Things to be aware of

Things to worry about

Additional Context

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (daab6b9) 84.91% compared to head (b145fbf) 84.92%.
Report is 17 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2557   +/-   ##
=======================================
  Coverage   84.91%   84.92%           
=======================================
  Files         328      328           
  Lines       39295    39325   +30     
=======================================
+ Hits        33367    33396   +29     
- Misses       5928     5929    +1     

Flag	Coverage Δ
unittests	84.92% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
deeplake/api/tests/test_api.py	98.01% <100.00%> (-0.03%)	⬇️
deeplake/core/dataset/dataset.py	91.86% <100.00%> (+0.14%)	⬆️
deeplake/core/transform/test_transform.py	99.11% <100.00%> (-0.20%)	⬇️
deeplake/core/transform/transform.py	96.25% <100.00%> (ø)
deeplake/util/exceptions.py	85.55% <100.00%> (+0.18%)	⬆️
deeplake/util/transform.py	95.40% <100.00%> (ø)

... and 10 files with indirect coverage changes

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