[BUGFIX] Hardcoded production context

Currently, the Production context is hardcoded in many commands.

This commit adds a context option to the Flow application template,
plus a manual override via a parameter.

Resolves: #35801
Change-Id: Ibd419dda40b64e4a433436f0d184e55d1f107acb
Merge "[BUGFIX] Hardcoded production context"
Merge remote-tracking branch 'upstream/master'