[BUG] Uncaught exception "IndexError" when calling get_project_parameter

[menathan]

Describe the bug
There's an uncaught exception "IndexError" when calling get_project_parameter without any value set in BrickflowEnvVars.BRICKFLOW_PROJECT_PARAMS

To Reproduce

from brickflow.context import ctx
ctx.get_project_parameter("key1") ## uncaught IndexError

Run via cli:

bf projects deploy -p DEFAULT -e local

Expected behavior
No error should be raised, when project parameter is not found, just return an empty string.

Screenshots
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Cloud Information
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Desktop (please complete the following information):
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Additional context
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[pariksheet]

or user can provide default value

ctx.get_project_parameter("key1", default= "nike")