Add changes from earlier branch to 10.4.x, rebase onto 11.x

Closes #3100732

added 578 commits

• ab4acdbb...45cd46b3 - 577 commits from branch project:10.3.x
• ee9c970d - Add changes from earlier branch to 10.3.x.

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added 9 commits

• ee9c970d...8e3a3f6e - 8 commits from branch project:10.3.x
• fe06c3f0 - Add changes from earlier branch to 10.3.x.

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added 1 commit

• 0aba7eab - We need drupalResetSession here as a result of #144538

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added 1 commit

• 66384f2b - We might not need to reset mink session

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added 1 commit

• ea57eea4 - We do need to reset the mink session also.

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added 2 commits

• fcea585b - Fix docblock issues and some return tpyes as per smustgrave's review
• 45c98ac1 - Fix codestyle

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added 105 commits

• 45c98ac1...774dcb1b - 29 commits from branch project:10.3.x
• 774dcb1b...24e0148b - 66 earlier commits
• a81b9fc4 - Issue #3445184 by plopesc, matthieuscarset, m4olivei: Fatal error when...
• 58cd9ce0 - Issue #3447198 by phenaproxima, alexpott, nicxvan, larowlan: RecipeCommand...
• 563e9a68 - Issue #3385934 by phthlaap, joegraduate, useernamee, alexpott: The...
• b1c8e1aa - Add changes from earlier branch to 10.3.x.
• f06bf0b4 - We need drupalResetSession here as a result of #144538
• cddf4c9a - We might not need to reset mink session
• 55e887e9 - We do need to reset the mink session also.
• 47471c2e - Fix docblock issues and some return tpyes as per smustgrave's review
• 4b35d0f2 - Fix codestyle
• f3283b83 - Update deprecation message

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changed target branch from 10.3.x to 10.4.x

added 1 commit

• 9abe8948 - fix codestyle

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changed title from Add changes from earlier branch to 10.3.x. to Add changes from earlier branch to 10.4.x.