fix(plugin): add pac 2.3.2 version check and improve auth error handling

[ansjain215]

• Block pac version 2.3.2 across all prerequisite checks due to known bug where pac code push fails with TypeError: Cannot read properties of undefined (reading 'httpClient'); instruct upgrade or fallback to 2.2.1
• Fix pac version check command: pac --version is not a valid flag; use plain pac and read Version: line from output header
• Update deploy failure flow to always run pac auth list first, then pac env select before falling back to pac auth create

[ansjain215]

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