settings_org: Extract the function to hide or show the element block.
settings_org: Extract the function to hide or show the element block.

This change leads to some de-duplication of repeated code.

synicalsyntax/zulip,brainwane/zulip,eeshangarg/zulip,hackerkid/zulip,rht/zulip,kou/zulip,rht/zulip,eeshangarg/zulip,shubhamdhama/zulip,andersk/zulip,zulip/zulip,kou/zulip,kou/zulip,punchagan/zulip,hackerkid/zulip,timabbott/zulip,synicalsyntax/zulip,zulip/zulip,andersk/zulip,timabbott/zulip,rht/zulip,andersk/zulip,punchagan/zulip,timabbott/zulip,brainwane/zulip,synicalsyntax/zulip,punchagan/zulip,rht/zulip,eeshangarg/zulip,brainwane/zulip,zulip/zulip,hackerkid/zulip,andersk/zulip,shubhamdhama/zulip,brainwane/zulip,shubhamdhama/zulip,rht/zulip,zulip/zulip,brainwane/zulip,rht/zulip,eeshangarg/zulip,timabbott/zulip,punchagan/zulip,showell/zulip,showell/zulip,kou/zulip,kou/zulip,synicalsyntax/zulip,showell/zulip,showell/zulip,zulip/zulip,hackerkid/zulip,shubhamdhama/zulip,kou/zulip,showell/zulip,andersk/zulip,eeshangarg/zulip,brainwane/zulip,synicalsyntax/zulip,rht/zulip,hackerkid/zulip,punchagan/zulip,synicalsyntax/zulip,hackerkid/zulip,timabbott/zulip,punchagan/zulip,punchagan/zulip,shubhamdhama/zulip,shubhamdhama/zulip,showell/zulip,zulip/zulip,hackerkid/zulip,shubhamdhama/zulip,kou/zulip,timabbott/zulip,andersk/zulip,synicalsyntax/zulip,zulip/zulip,brainwane/zulip,andersk/zulip,showell/zulip,eeshangarg/zulip,eeshangarg/zulip,timabbott/zulip