Merge remote-tracking branch 'origin/B15691_PDF_Export_Link_Error_T3_V10' into B15691_PDF_Export_Link_Error_T3_V10

# Conflicts:
#	extension/Classes/Core/Helper/Support.php

# Conflicts:
#	extension/Resources/Private/Report/searchRefactor.qfqr

B15521: Changed equal operator for identical check. This way string needs to...

See merge request !540

S15579: Ability for searching all possible characters, includes not replaced...

See merge request !541

B15626: Fixed problem with multi-db and formEditor save. refs #15626

See merge request !542

B15627: Added character count and maxLength feature for tinymce. refs #15627

See merge request !543

S15579: Ability for searching all possible characters, includes not replaced QFQ variables. refs #15579

B15521: Changed equal operator for identical check. This way string needs to be empty and default given to trigger it. It corrects loading behaviour for select, radio and checkboxes.   refs #15521

B15521: Prevent using default for empty values which are given over POST...

See merge request !539

Merge remote-tracking branch 'origin/B15521_form_editor_assigns_always_container' into B15521_form_editor_assigns_always_container

B15521: Change handling of form variables from type select, radio and checkbox. Expected 0 from client request instead of empty string. refs #15521

B15570: Changed DB handling in class FormAction. Fixed multi-db problem with...

See merge request !538

B15491: Escaped underscore character for user-friendly search. Counter fixed...

See merge request !537

B15483: Changed default from wget, preventing errors. Changed handling from...

See merge request !535

B15521: Prevent using default for empty values which are given over POST (dynamic update). refs #15521