Investigate force check usage for pmm update (if removal possible)

Currently in version 3 the usage of the force parameter is incorrect (force=true used on background and panel, force=false used on updates page).

Acceptance criteria

• Background checks and update panel should use call with force=false

• Updates page should use parameter with force=true

• Reduce cache time (BE)

Steps to reproduce

1. Login to PMM

2. Open network tab

3. Do one of the following:

   1. Reload page

   2. Check for an update from panel (not forced)

   3. Open updates page (PMM Configuration → Updates)

   4. Check for updates from the update page

Expected

The api call to /v1/server/updates on background and update panel should be called with ?force=false.
The api call to /v1/server/updates on updates page should be called with ?force=true.

Actual

The force parameter is currently used the other way around:

• The api call to /v1/server/updates on background and update panel is called with ?force=true.

• The api call to /v1/server/updates on updates page is called with ?force=false.