chore(sql_parse): Strip leading/trailing whitespace in Jinja macro extraction

[john-bodley]

SUMMARY

It seems like it's not uncommon for users to use the latest[_sub]_partition Jinja macros wrongly in terms of including a leading or trailing whitespace, i.e., latest_partition(' foo.bar ') which actually works as this table name is extracted and injected into SQL where additional leading/trailing whitespace is allowed.

This PR makes sure that when we extract the table name from the Jinja macro we strip any leading/trailing whitespace.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

CI.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.83%. Comparing base (a664e21) to head (907c2a1).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #27842   +/-   ##
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  Coverage   69.83%   69.83%           
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  Files        1920     1920           
  Lines       75242    75242           
  Branches     8423     8423           
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  Hits        52545    52545           
  Misses      20636    20636           
  Partials     2061     2061           

Flag	Coverage Δ
hive	48.93% <ø> (ø)
mysql	77.88% <ø> (ø)
postgres	77.99% <ø> (ø)
presto	53.63% <ø> (ø)
python	83.15% <ø> (ø)
sqlite	77.43% <ø> (ø)
unit	56.78% <ø> (ø)

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