fix: Smart/Origin fixes (and no unit tests)

[lgourdin]

This PR groups several fixes:

• fix: syntax and lint issues in views/navitia.py
• fix: increase gunicorn worker timeout (needed by itinévert in production)
• fix: wrong media URL in env.default (not related to S/O developments), without comment
• fix: rollback to using fstring in navitia URL generation for waypoints
• fix: add default case for trip duration
• feat: add a new python script to declare the elastic search index to solve a type inference issue with fill_index.py
• chore: replace CHUNK_SIZE constant with ES_MAX_RESULT_WINDOW and resolve imports

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.10%	✅ 28.21%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (bdf0885)	21081	19117	90.68%
Head commit (11c0da4)	21115 (+34)	19127 (+10)	90.58% (-0.10%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#2117)	39	11	28.21%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

[lgourdin]

@Nayor salut, voici la version à fusionner demain pour le déploiement des fixs sans les TU.