[Finishes #44506459] Malformed english report email

Also, corrected the ReportDesign page id to be #reports
to match the emails and sensible naming conventions
[Fixes #44506459] Fixes french report email template as well
[Finishes #44354531] Localises Legend caption
[Finishes #44336001] Corrects display of monthly reports in details tab

Activities with monthly reports should not show indicators
in detail tabs.
Activities without indicator values should not show indicator
header
[Finishes #43182217] Adds Reply-to for invitation emails
[Fixes #44458951] Indicator Tree cascade problem
Merge branch 'staging' of https://github.com/bedatadriven/activityinfo into staging
[Fixes #44354531] Ensures locale is set to french
for french users
[Fixes #44458951] Indicator Tree cascade problem - expand tree only when node checked
Revert "[Fixes #44458951] Indicator Tree cascade problem - expand tree only when node checked"

This reverts commit aa44d54e3ea08588474fd6296cf59bc40c7d903a.

In preparation for release
Revert "[Fixes #44458951] Indicator Tree cascade problem"

This reverts commit b018e497de910874732b22ab4ac4619a9ee0fb99.

In preperation for release