[ENH] Smarty 5 support: Replace the use of deprecated modifiers "implode" and "explode" by "join" and "split" to avoid deprecated warning messages

Rodriguez Nyiringaborequested to merge
rodriguezny/tiki:fix-deperecated-error-message-from-smarty5 into master

Screenshot_2024-03-08_at_12.51.59 Screenshot_2024-03-08_at_15.19.01

Edited by Rodriguez Nyiringabo

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