Adds back support where 2 categorical variables are used in association and bivariate plots

[averissimo]

Pull Request

Fixes #948

Changes description

• Creates a local environment where data is manipulated and ggplot2 layers are created
• This avoids having to create a custom geom
• Code is reproducible, albeit not readable
  • We could use %>% instead for have more readability

[github-actions]

Unit Tests Summary

  1 files   23 suites   16m 12s ⏱️
153 tests 147 ✅ 5 💤 1 ❌
475 runs  463 ✅ 5 💤 7 ❌

For more details on these failures, see this check.

Results for commit f3c2020.

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Performance Difference

Test Suite	$Status$	Time on main	$±Time$	$±Tests$	$±Skipped$	$±Failures$	$±Errors$
shinytest2-tm_a_pca	💚	$160.18$	$-4.68$	$0$	$0$	$0$	$0$
shinytest2-tm_a_regression	💚	$71.43$	$-1.88$	$0$	$0$	$0$	$0$
shinytest2-tm_g_bivariate	💚	$94.36$	$-2.66$	$0$	$0$	$0$	$0$
shinytest2-tm_g_distribution	💚	$71.22$	$-1.92$	$0$	$0$	$0$	$0$
shinytest2-tm_g_response	💚	$38.77$	$-1.12$	$0$	$0$	$0$	$0$
shinytest2-tm_g_scatterplot	💚	$86.35$	$-1.84$	$0$	$0$	$0$	$0$
shinytest2-tm_misssing_data	💚	$64.79$	$-1.61$	$0$	$0$	$0$	$0$
shinytest2-tm_outliers	💚	$153.42$	$-4.31$	$0$	$0$	$0$	$0$
shinytest2-tm_t_crosstable	💚	$40.24$	$-1.19$	$0$	$0$	$0$	$0$
shinytest2-tm_variable_browser	💚	$87.60$	$-2.41$	$0$	$0$	$0$	$0$

Additional test case details

Test Suite	$Status$	Time on main	$±Time$	Test Case
examples	👶		$+0.01$	example_dot_create_mosaic_layers.Rd
shinytest2-tm_g_bivariate	💚	$37.98$	$-1.73$	e2e_tm_g_bivariate_Setting_encoding_inputs_produces_outputs_without_validation_errors.
shinytest2-tm_g_distribution	💚	$22.46$	$-1.09$	e2e_tm_g_distribution_Histogram_encoding_inputs_produce_output_without_validation_errors.

Results for commit 192f852

♻️ This comment has been updated with latest results.