Fix/app performance

[Abhisheksainii]

Description (Proposed Changes)

(Please try to mention in bullet points.)

• replacement of provider specific calls (_loadEntries) from home_tabs_screen to necessary screens [Workout, Measurement, Nutrition, Body Weight].

Link to the issue :

(Add link of the issue you have proposed changes to)

• Link : App performing slow due to all resources being used up in memory. #443

Tests

Please make sure to add tests when implementing new features.

Checklist

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• Set a 100 character limit in your editor/IDE to avoid white space diffs in the PR
• Tests for the changes have been added (for bug fixes / features)
• Added yourself to AUTHORS.md
• Updated/added relevant documentation (doc comments with ///).
• Added relevant reviewers.