Fixes #8968

Summary of Changes

• Don't update T-P position if we aren't inserting a direct to
• Make T-P position update properly edit the definition so that it works with sync

Testing instructions

• Make sure T-P updates when inserting a direct to
  • Wait a minute until confirming a direct to to a far away waypoint - make sure the T-P point moves to the airplane position when inserting
• Make sure T-P does not move it is the FROM leg and making another modification that creates a temporary plan, for example, adding a hold somewhere

How to download the PR for QA

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