[Bug]: custom ggplot2 theme

[ramamet]

What happened?

I have tried to use the following code;

ggplot2_args = teal.widgets::ggplot2_args( lab = list(title = "TITLE"), theme = list(title = ggplot2::element_text(size = 20)) )

But however the following error appears,

The title theme element must be a <element_text> object.
when evaluating qenv code:
print(p)

sessionInfo()

R version 4.2.1 (2022-06-23)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Red Hat Enterprise Linux 8.6 (Ootpa)

Matrix products: default
BLAS/LAPACK: /usr/lib64/libopenblasp-r0.3.15.so

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C               LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8    LC_PAPER=en_US.UTF-8       LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C             LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] grid      stats     graphics  grDevices datasets  utils     methods   base     

other attached packages:
 [1] ggthemes_4.2.4                    scales_1.2.1                      dplyr_1.1.3                      
 [4] markdown_1.4                      nloptr_1.2.2.3                    glmnet_4.1-2                     
 [7] Matrix_1.5-3                      haven_2.5.1                       teal.reporter_0.2.1.9012         
[10] teal.modules.clinical_0.8.14.9014 tern_0.7.10.9024                  rtables_0.6.5.9012               
[13] formatters_0.5.4.9002             teal.modules.general_0.2.15.9012  shinyTree_0.2.7                  
[16] ggmosaic_0.3.3                    ggplot2_3.4.4                     teal_0.14.0.9017                 
[19] teal.transform_0.4.0.9006         magrittr_2.0.3                    teal.slice_0.4.0.9022            
[22] teal.data_0.3.0.9009              shiny_1.7.5.1                    

loaded via a namespace (and not attached):
  [1] colorspace_2.1-0        ellipsis_0.3.2          mmrm_0.2.2              estimability_1.4.1     
  [5] farver_2.1.1            ggrepel_0.9.2           DT_0.26                 fansi_1.0.5            
  [9] mvtnorm_1.1-3           codetools_0.2-18        splines_4.2.1           R.methodsS3_1.8.2      
 [13] cachem_1.0.8            knitr_1.45              jsonlite_1.8.7          broom_1.0.1            
 [17] geepack_1.3.9           R.oo_1.25.0             readr_2.1.3             compiler_4.2.1         
 [21] httr_1.4.7              emmeans_1.8.3           backports_1.4.1         assertthat_0.2.1       
 [25] fastmap_1.1.1           lazyeval_0.2.2          cli_3.6.1               later_1.3.1            
 [29] htmltools_0.5.7         tools_4.2.1             gtable_0.3.4            glue_1.6.2             
 [33] Rcpp_1.0.11             jquerylib_0.1.4         styler_1.10.2           vctrs_0.6.4            
 [37] nlme_3.1-160            teal.logger_0.1.3.9007  crosstalk_1.2.0         iterators_1.0.14       
 [41] xfun_0.41               stringr_1.5.1           rbibutils_2.2.11        shinyvalidate_0.1.3    
 [45] mime_0.12               lifecycle_1.0.4         renv_0.16.0             shinycssloaders_1.0.0  
 [49] MASS_7.3-58.1           hms_1.1.2               promises_1.2.1          parallel_4.2.1         
 [53] tern.gee_0.1.0.9000     yaml_2.3.7              memoise_2.0.1           gridExtra_2.3          
 [57] teal.widgets_0.4.1.9007 sass_0.4.7              stringi_1.8.1           foreach_1.5.2          
 [61] checkmate_2.3.0         shape_1.4.6             Rdpack_2.4              rlang_1.1.2            
 [65] pkgconfig_2.0.3         commonmark_1.9.0        evaluate_0.23           lattice_0.20-45        
 [69] teal.code_0.4.1.9007    fontawesome_0.5.2       purrr_1.0.2             labeling_0.4.3         
 [73] htmlwidgets_1.6.2       cowplot_1.1.1           tidyselect_1.2.0        logger_0.2.2           
 [77] R6_2.5.1                generics_0.1.3          pillar_1.9.0            withr_2.5.2            
 [81] survival_3.4-0          tibble_3.2.1            crayon_1.5.2            shinyWidgets_0.8.0     
 [85] utf8_1.2.4              plotly_4.10.3           tzdb_0.3.0              rmarkdown_2.25         
 [89] data.table_1.14.8       forcats_0.5.2           digest_0.6.33           tern.mmrm_0.2.1.9004   
 [93] xtable_1.8-4            R.cache_0.16.0          numDeriv_2016.8-1.1     tidyr_1.3.0            
 [97] httpuv_1.6.12           R.utils_2.12.2          munsell_0.5.0           viridisLite_0.4.2      
[101] bslib_0.5.1             shinyjs_2.1.0

Relevant log output

Warning: Error in : The `title` theme element must be a <element_text> object. 
 when evaluating qenv code:
print(p)
  126: <Anonymous>
  125: stop
  124: [[.qenv.error
  122: <reactive>
  106: plot_r
   97: renderUI
   96: func
   83: renderFunc
   82: output$teal-main_ui-root-response_plots__pgis_-module-myplot-plot_out_main
    1: runApp

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