Adds experimental-location feature flag

[desaikd]

Issue #, if available:

Description of changes:
This PR works on adding an experimental-location feature flag for the location-metadata implementation. This allows users to opt-in based on their performance requirements.

List of changes:

• define experimnetal-location feature flag in the Cargo.toml.
• add configuration wherever row and column properties are used or updated in the TextBuffer.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.54%. Comparing base (a7c30d4) to head (1116409).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #910   +/-   ##
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  Coverage   77.53%   77.54%           
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  Files         137      137           
  Lines       34283    34290    +7     
  Branches    34283    34290    +7     
=======================================
+ Hits        26583    26590    +7     
  Misses       5717     5717           
  Partials     1983     1983           

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