vtorc: make SQL formatting consistent

[timvaillancourt]

Description

This PR improves the consistency of SQL statements in go/vt/vtorc (as discussed with @dbussink offline)

Some notes:

• Standardized on uppercase text for SQL verbs, functions, units, etc
  • Examples: SELECT, AS, OR, DATETIME, SECOND/HOUR/DAY, etc
• Standardized on \t for indentation - in places it's a mix of spaces and tabs
• Standardized when indentation happens, examples: list of columns/values, subqueries, conditions, etc
• Consistent spacing for value definitions, example something = ?
• Other minor style fixes

Related Issue(s)

#17164

Checklist

• "Backport to:" labels have been added if this change should be back-ported to release branches
• If this change is to be back-ported to previous releases, a justification is included in the PR description
• Tests were added or are not required
• Did the new or modified tests pass consistently locally and on CI?
• Documentation was added or is not required

Deployment Notes

[vitess-bot]

Review Checklist

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• vtctl command output order should be stable and awk-able.

[codecov]

Codecov Report

Attention: Patch coverage is 61.19403% with 130 lines in your changes missing coverage. Please review.

Project coverage is 67.41%. Comparing base (96f4ac7) to head (da08a88).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
go/vt/vtorc/logic/topology_recovery_dao.go	0.00%	81 Missing ⚠️
go/vt/vtorc/inst/instance_dao.go	85.51%	21 Missing ⚠️
go/vt/vtorc/logic/disable_recovery.go	0.00%	15 Missing ⚠️
go/vt/vtorc/process/health.go	0.00%	7 Missing ⚠️
go/vt/vtorc/inst/analysis_dao.go	84.84%	5 Missing ⚠️
go/vt/vtorc/logic/tablet_discovery.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #17154      +/-   ##
==========================================
+ Coverage   67.39%   67.41%   +0.02%     
==========================================
  Files        1573     1573              
  Lines      253136   253181      +45     
==========================================
+ Hits       170603   170690      +87     
+ Misses      82533    82491      -42     

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