Reformatted tweet href in handbook tooltip

Why is this change being made?

Per a request from @wspillane on Slack, we should reformat the precomposed tweet when sharing from the handbook.

The resulting tweet is now formatted like this:

How will this merge request impact page speed?

None

Does this MR meet the acceptance criteria?

Assign to DRI

• Did you assign this change to the correct DRI of the page or information you are changing?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what

Closes #7106 (closed)