Discrepancy in database's run_sql() method

[rajaths010494]

Please describe the feature you'd like to see
Currently, the handler param in the run_sql() method is only used in data bricks all other databases are not using it, which leads to different response types since the handler is processed within run_sql() for data bricks and not for other databases. Also, the signature of run_sql() in data bricks deviates from the base. We need to standardize and when we do, we can remove the below check as well.

Describe the solution you'd like
Ideally, we should have the same signatures for all the run_sql() database implementations. This will prevent adding explicit conditions for data bricks in other parts of the code that should ideally be database agnostic.
example:

astro-sdk/python-sdk/src/astro/sql/operators/raw_sql.py

Line 47 in 2f8c8d0

if self.handler and self.database_impl.sql_type == "delta":

[codecov]

Codecov Report

Base: 93.29% // Head: 97.72% // Increases project coverage by +4.43% 🎉

Coverage data is based on head (0a8e65e) compared to base (1aee3ce).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1705      +/-   ##
==========================================
+ Coverage   93.29%   97.72%   +4.43%     
==========================================
  Files          90       21      -69     
  Lines        4726      835    -3891     
  Branches      471        0     -471     
==========================================
- Hits         4409      816    -3593     
+ Misses        227       19     -208     
+ Partials       90        0      -90     

Impacted Files	Coverage Δ
python-sdk/src/astro/databases/base.py
python-sdk/src/astro/sql/table.py
...dk/src/astro/sql/operators/export_table_to_file.py
python-sdk/src/astro/sql/operators/dataframe.py
python-sdk/src/astro/databases/postgres.py
python-sdk/src/astro/sql/operators/transform.py
python-sdk/src/astro/files/locations/azure/wasb.py
python-sdk/src/astro/sql/operators/export_file.py
python-sdk/src/astro/sql/__init__.py
python-sdk/src/astro/sql/operators/drop.py
... and 59 more

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[sunank200]

This PR is still a work in progress. This requires a return statement to return the cursor object so that its consistent across all the databases. @rajaths010494 mentioned he would pick this up after other tickets are done for 1.5.1.

[rajaths010494]

#1773 PR has been raised to address this issue