Fix issues for when course list filter is added to non course list blocks

[Imran92]

Fixes #5616

Changes proposed in this Pull Request

• Fixed alignment of the warning message shown when course list filter block is added outside of course list block in editor
• Fixed showing error message in frontend when course list filter block is added and saved outside of course list block

Testing instructions

• Add Course List filter block in different places other than inside course list block
• Save and check both front and backend
• Make sure nothing is being rendered in frontend for the filter blocks
• In the editor, the error messages are shown with proper alignment

[codecov]

Codecov Report

Merging #5617 (8c8c771) into feature/course-list (68cb4e1) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@                    Coverage Diff                    @@
##             feature/course-list    #5617      +/-   ##
=========================================================
+ Coverage                  44.69%   44.72%   +0.02%     
+ Complexity                  8859     8840      -19     
=========================================================
  Files                        427      426       -1     
  Lines                      31636    31574      -62     
  Branches                     245      245              
=========================================================
- Hits                       14139    14120      -19     
+ Misses                     17319    17276      -43     
  Partials                     178      178              

Impacted Files	Coverage Δ
...ourse-list-filter-block/course-list-filter-edit.js	57.14% <100.00%> (+2.14%)	⬆️
...rse-list/class-sensei-course-list-filter-block.php	91.11% <100.00%> (+0.63%)	⬆️
includes/class-sensei-quiz.php	59.04% <0.00%> (-0.14%)	⬇️
includes/class-sensei-autoloader.php	17.50% <0.00%> (ø)
...ss-sensei-reports-overview-list-table-students.php	42.26% <0.00%> (ø)
...ports/class-sensei-no-users-table-relationship.php
includes/class-sensei.php	27.33% <0.00%> (+0.06%)	⬆️
includes/class-sensei-notices.php	56.81% <0.00%> (+1.00%)	⬆️
...ss-sensei-reports-overview-list-table-abstract.php	64.66% <0.00%> (+1.67%)	⬆️
...sensei-reports-overview-data-provider-students.php	90.90% <0.00%> (+10.13%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 68cb4e1...8c8c771. Read the comment docs.

[donnapep]

All good! 👍🏻