Allow passing TemplateRef/component type to tooltip

[IliaVolk]

Bug, feature request, or proposal:

Feature request

What is the expected behavior?

Allow creating tooltip from ng-template or component type and change it dynamically
At least ng-template
Something like:

<span [matTooltip]="tooltipTemplate">I have a tooltip</span>
<ng-template #tooltipTemplate>
     <b>Bold</b> message
</ng-template>

What is the current behavior?

Only strings allowed

What is the use-case or motivation for changing an existing behavior?

Allow to greater customize tooltip message

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

all

Is there anything else we should know?

[willshowell]

See #5440 (comment) for why the team doesn't plan to support it. You may be interested in #2691.

[josephperrott]

Closing as duplicate of #5440

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}