Allow special characters in credentials (LT-20157, LT-21275)

[papeh]

Escape credentials used in URLs

Some users use their email addresses as their logins. When we overhauled the Get from Internet UX, we inadvertently stopped escaping credentials.

Addresses https://jira.sil.org/browse/LT-20157 and https://jira.sil.org/browse/LT-21275

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This change is 

[github-actions[bot]]

Test Results

       6 files  ±0     321 suites  ±0   58m 25s :stopwatch: + 2m 9s    959 tests +2     900 :heavy_check_mark: +  2    59 :zzz: ±0  0 :x: ±0  3 096 runs  +6  2 954 :heavy_check_mark: +12  142 :zzz:  - 6  0 :x: ±0 

Results for commit 7d5a73c2. ± Comparison against base commit 95476085.

This pull request removes 2 and adds 4 tests. Note that renamed tests count towards both.

``` GetUserName_NameInLocalReopHasSpace_GetsName GetUserName_NameInLocalReop_GetsName ``` ``` GetPotentialRepoUri_InsertsEscapedCredentials GetUserName_NameInLocalRepoHasSpace_GetsName GetUserName_NameInLocalRepo_GetsName RemovePasswordForLog_RemovesTheEscapedPassword ```

:recycle: This comment has been updated with latest results.