feat(explore): Show error alert

[Zylphrex]

This renders an alert with the error returned by the backend to help users understand what went wrong.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 12.00000% with 22 lines in your changes missing coverage. Please review.

:white_check_mark: All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...tic/app/views/explore/tables/tracesTable/index.tsx	0.00%	7 Missing :warning:
static/app/views/explore/tables/index.tsx	0.00%	4 Missing :warning:
static/app/views/explore/charts/index.tsx	0.00%	3 Missing :warning:
...tatic/app/views/explore/tables/aggregatesTable.tsx	0.00%	3 Missing :warning:
static/app/views/explore/tables/spansTable.tsx	0.00%	3 Missing :warning:
static/app/views/explore/content.tsx	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #80998 +/- ## ========================================== - Coverage 78.49% 78.49% -0.01% ========================================== Files 7209 7209 Lines 319464 319456 -8 Branches 43960 43964 +4 ========================================== - Hits 250764 250742 -22 - Misses 62313 62327 +14 Partials 6387 6387 ```