notification timestamps and formatting notification button

[mekkyz]

Fixes https://github.com/ComPlat/chemotion/issues/12
Fixes https://github.com/ComPlat/chemotion/issues/20

• used "prettier" to reformat the code.
• solved eslint issues
• getting the timezone String from backend to correctly present the local time
• DidMount has now startActivityDetection to make the notification button always available
• Did some ui change on the notification button because its size and centering were off

What is new for users:

• the notification button is now a bell instead of the messaging icon and be always shown in the default status when notification = 0.
• it will change to yellow and notification counter will start counting whenever there are notifications
• the text "message" is now "notification"
• the button has now the right size comparable to the button next to it.
• the icon is now centered in the button.

This is how it was when there were no notifications.

And now:

When there are notifications

And now:

[mekkyz]

There were changes to the style of the inbox button 2 days ago. I changed it so that the icon will be centered and the two buttons will be of exact size and looks

[github-actions]

LCOV of commit 4267267 during Continuous Integration #1150

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[github-actions]

LCOV of commit ba2f02f during Continuous Integration #1152

Summary coverage rate:
  lines......: 60.6% (12313 of 20309 lines)
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[github-actions]

LCOV of commit 5017cf6 during Continuous Integration #1175

Summary coverage rate:
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fixed

[github-actions]

LCOV of commit 2810378 during Continuous Integration #1180

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Files changed coverage rate: n/a