Allow to boost .ijwb over BSP and .idea folder. (#7201)

[ujohnny]

• Allow to boost .ijwb over BSP and .idea folder.

• Smarter default in case BSP not installed

• Google plugin has no priority by default and used if JetBrains Bazel is not installed. If BSP is there then registry key value is used.

fixes #7200

(cherry picked from commit d407fab)

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• I have filed an issue about this change and discussed potential changes with the maintainers.
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[ujohnny]

cc @dkashyn-sfdc

[dkashyn-sfdc]

@mai93 @agluszak @ujohnny this was not picked up for last week release :(

[mai93]

it should be in v2025.01.07 to be available on Beta this Thursday

[ujohnny]

@dkashyn-sfdc in December we've learned that versions in beta and stable do not match. This change should be in stable, I see it in the changelog. .1 means "the first release of 2024.12.17 in stable"