fix: Trigger image upload in Update Event on clicking anywhere in the ImageView

[ShridharGoel]

Fixes #1458

Checklist:

• I have checked for PMD and check-style issues
• I have read the Contribution & Best practices Guide and my PR follows them.
• My branch is up-to-date with the Upstream development branch.

Changes:

Now, image upload will trigger even when the user clicks outside the camera icon in UpdateEventFragment.

[codecov]

Codecov Report

Merging #1459 into development will not change coverage.
The diff coverage is 0%.

@@              Coverage Diff               @@
##             development    #1459   +/-   ##
==============================================
  Coverage          24.25%   24.25%           
  Complexity           757      757           
==============================================
  Files                237      237           
  Lines               8737     8737           
  Branches             356      356           
==============================================
  Hits                2119     2119           
  Misses              6534     6534           
  Partials              84       84

Impacted Files	Coverage Δ	Complexity Δ
...ganizer/core/event/create/UpdateEventFragment.java	0% <0%> (ø)	0 <0> (ø)	⬇️

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